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<big>'''This is a wiki for the community of General Radio enthusiasts.'''</big>
=This Wiki=
<div class="noprint" style="width:260px; float:right; margin-left: 1em; margin-bottom: 1em; border: 1px #aaaaaa solid; border-collapse: collapse; padding:5px; font-size:125%; background-color:#FFFFFF;">
[[File:Gr_1650-a_1.jpeg|thumb|250px|The iconic [[1650-A|1650-A RLC Bridge]]]]


The purpose of this website is to help people get information about classic General Radio equipment.
[[File:1657_3.jpg|thumb|250px|The groundbreaking [[1657|1657 Digibridge]]]]
There is nothing for sale here.
</div>
You don't need an account if you just want to read pages and download files.
{{Title|<big>Welcome to GRWiki, a [[wikipedia:wiki|wiki]] for the community of General Radio enthusiasts.</big>}}
 
The purpose of this website is to help people get information about classic equipment produced by the {{Title|[[General Radio|General Radio (GenRad) Company]]}}, a manufacturer of electronic test equipment in Massachusetts, U.S. from 1915 to 2001.
 
''There is nothing for sale here.''
 
==Navigating==
To find what you need, you can '''browse the various tabs on the top of this Main Page''' where we list all GR product pages on this wiki, even if they are only placeholders at this time.
 
{{Title|<big>For a list of products for which we have full articles, please see '''[[Product Pages]]'''</big>.}}
 
==Contributing==


If you want to add to GRWiki or [[GRWiki Guidelines|improve]] existing GRWiki pages, please [[Media:Kurt_email.gif|email the administrator]] for an account.
You don't need an account on this wiki if you just want to read pages and download files. If you want to add to GRWiki or [[GRWiki Guidelines|improve]] existing GRWiki pages, please [[Media:Kurt_email.gif|email the administrator]] for an account.


=Bridges and Impedance Measuring Instruments=
=Bridges and Impedance Measuring Instruments=
Line 50: Line 63:
* [[361-P2]]
* [[361-P2]]
* [[383]]
* [[383]]
* [[383-A]]
* [[383-B]]
* [[383-B]]
* [[383-P1]]
* [[383-P1]]
Line 67: Line 81:
* [[544-B]]
* [[544-B]]
* [[544-P1]]
* [[544-P1]]
* [[544-P2]]
* [[544-P3]]
* [[544-P3]]
* [[544-P-10]]
* [[544-P10]]
* [[561-A]]
* [[561-A]]
* [[561-C]]
* [[561-C]]
Line 84: Line 99:
* [[716-B]]
* [[716-B]]
* [[716-C]]
* [[716-C]]
* [[716-CSI]]
* [[716-CS1]]
* [[716-P2]]
* [[716-P2]]
* [[716-P4]]
* [[716-P4]]
Line 93: Line 108:
* [[821-A]]
* [[821-A]]
* [[916]]
* [[916]]
* [[916-A]]
* [[916-AL]]
* [[916-AL]]
* [[1136-A]]
* [[1136-A]]
Line 130: Line 146:
* [[1611-B]]
* [[1611-B]]
* [[1612]]
* [[1612]]
* [[1612-A]]
* [[1616-AL]]
* [[1616-AL]]
* [[1612-P1]]
* [[1612-P1]]
Line 185: Line 202:
* [[1684-P3]]
* [[1684-P3]]
* [[1685]]
* [[1685]]
* [[1685-P1]]
* [[1686-A]]
* [[1686-A]]
* [[1686-P1]]
* [[1686-P1]]
* [[1687]]
* [[1687]]
* [[1687-P1]]
* [[1687-P1]]
* [[1687B]]
* [[1688]]
* [[1688]]
* [[1689]]
* [[1689]]
* [[1690-A]]
* [[1690-A]]
* [[1690-P2]]
* [[1691-A]]
* [[1691-A]]
* [[1692]]
* [[1692]]
Line 202: Line 222:
* [[1784]]
* [[1784]]
* [[1785]]
* [[1785]]
* [[1790]]
* [[1791]]
* [[2995-9158]]
* [[2995-9158]]
</div>
</div>
Line 274: Line 292:
* [[874-HP25]]
* [[874-HP25]]
* [[874-H100]]
* [[874-H100]]
* [[874-H500L]]
* [[874-H1000L]]
* [[874-H2000L]]
* [[874-HP100]]
* [[874-HP100]]
* [[874-HF]]
* [[874-HF]]
Line 291: Line 312:
* [[874-LBA]]
* [[874-LBA]]
* [[874-LBB]]
* [[874-LBB]]
* [[874-LK]]
* [[874-LK10]]
* [[874-LK10]]
* [[874-LK10L]]
* [[874-LK10L]]
Line 332: Line 354:
* [[874-PBRL174A]]
* [[874-PBRL174A]]
* [[874-PC]]
* [[874-PC]]
* [[874-PC8]]
* [[874-PFL]]
* [[874-PFL]]
* [[874-PL]]
* [[874-PL]]
Line 353: Line 376:
* [[874-PRLT]]
* [[874-PRLT]]
* [[874-PRL174A]]
* [[874-PRL174A]]
* [[874-Q1]]
* [[874-Q2]]
* [[874-Q2]]
* [[874-Q7]]
* [[874-Q7]]
Line 425: Line 449:
* [[874-R22LA]]
* [[874-R22LA]]
* [[874-R31]]
* [[874-R31]]
* [[874-R32]]
* [[874-R32A]]
* [[874-R32A]]
* [[874-R33]]
* [[874-R33]]
* [[874-R34]]
* [[874-R34]]
* [[874-T]]
* [[874-T]]
* [[874-TPD]]
* [[874-TL]]
* [[874-TPDL]]
* [[874-TOK]]
* [[874-TOK]]
* [[874-TO8]]
* [[874-TO8]]
* [[874-TO58]]
* [[874-TO58]]
* [[874-TPD]]
* [[874-TPDL]]
* [[874-U]]
* [[874-U]]
* [[874-UB]]
* [[874-UB]]
Line 467: Line 493:
* [[874-Z]]
* [[874-Z]]
* [[874-ZC]]
* [[874-ZC]]
* [[0874-9508]]
* [[0874-9509]]
* [[0874-9550]]
* [[880-DCA]]
* [[880-DCA]]
* [[890-BT]]
* [[890-BT]]
Line 544: Line 573:
* [[0900-9509]]
* [[0900-9509]]
* [[0900-9782]]
* [[0900-9782]]
* [[1640-A]]
* [[1651-A]]
* [[1651-A]]
</div>
</div>
Line 553: Line 583:
* [[DNT-3]]
* [[DNT-3]]
* [[DNT-4]]
* [[DNT-4]]
* [[DNT-5]]
* [[DNT-6]]
* [[DNT-7]]
* [[206]]
* [[206]]
* [[211]]
* [[211]]
* [[215]]
* [[215]]
* [[300]]
* [[300]]
* [[300-A]]
* [[300-C]]
* [[300-D]]
* [[355]]
* [[355]]
* [[390]]
* [[390]]
Line 568: Line 604:
* [[707-P1]]
* [[707-P1]]
* [[707-P2]]
* [[707-P2]]
* [[707-P42]]
* [[707-P50]]
* [[707-P50]]
* [[707-P60]]
* [[707-P60]]
Line 627: Line 664:
* [[191]]
* [[191]]
* [[224]]
* [[224]]
* [[224-A]]
* [[224-L]]
* [[224-L]]
* [[247-W]]
* [[247-W]]
Line 637: Line 675:
* [[275-P3]]
* [[275-P3]]
* [[275-P4]]
* [[275-P4]]
* [[275-P5]]
* [[275-P6]]
* [[276-A]]
* [[276-A]]
* [[332]]
* [[332]]
Line 642: Line 682:
* [[358]]
* [[358]]
* [[375]]
* [[375]]
* [[375-A]]
* [[376-B]]
* [[376-B]]
* [[376-C]]
* [[376-C]]
Line 659: Line 700:
* [[389-P4]]
* [[389-P4]]
* [[411]]
* [[411]]
* [[411-A]]
* [[416-A]]
* [[416-A]]
* [[416-B]]
* [[416-B]]
Line 671: Line 713:
* [[476-A]]
* [[476-A]]
* [[476-P1]]
* [[476-P1]]
* [[480-M]]
* [[480-P]]
* [[480-P]]
* [[489]]
* [[489]]
Line 691: Line 734:
* [[566-A]]
* [[566-A]]
* [[574]]
* [[574]]
* [[575]]
* [[575-D]]
* [[575-D]]
* [[575-E]]
* [[575-E]]
Line 731: Line 775:
* [[619-P1]]
* [[619-P1]]
* [[620-A]]
* [[620-A]]
* [[624]]
* [[624-A]]
* [[624-A]]
* [[624-P7]]
* [[624-P7]]
Line 743: Line 788:
* [[690-B]]
* [[690-B]]
* [[690-C]]
* [[690-C]]
* [[690-D]]
* [[691-B]]
* [[691-B]]
* [[691-C]]
* [[691-C]]
Line 768: Line 814:
* [[816-B]]
* [[816-B]]
* [[834-A]]
* [[834-A]]
* [[843-B]]
* [[834-B]]
* [[1061]]
* [[1061]]
* [[1062]]
* [[1062]]
Line 873: Line 919:
* [[1192]]
* [[1192]]
* [[1192-B]]
* [[1192-B]]
* [[1192-Z]]
* [[1213-A]]
* [[1213-A]]
* [[1213-C]]
* [[1213-C]]
Line 957: Line 1,004:
* [[1021-P1]]
* [[1021-P1]]
* [[1021-P2]]
* [[1021-P2]]
* [[1021-P3]]
* [[1021-P3B]]
* [[1021-P3B]]
* [[1021-P4]]
* [[1021-P4]]
Line 962: Line 1,010:
* [[1023-A]]
* [[1023-A]]
* [[1025-A]]
* [[1025-A]]
* [[1025-P1]]
* [[1026]]
* [[1026]]
* [[1217-A]]
* [[1217-A]]
Line 981: Line 1,030:
* [[1392-A]]
* [[1392-A]]
* [[1394]]
* [[1394]]
* [[1394-P1]]
* [[1395-A]]
* [[1395-A]]
* [[1395-P1]]
* [[1395-P1]]
Line 1,150: Line 1,200:
<div class="mpCol6">
<div class="mpCol6">
* [[127]]
* [[127]]
* [[127-A]]
* [[127-B]]
* [[127-C]]
* [[128]]
* [[128]]
* [[129-A]]
* [[129-A]]
Line 1,157: Line 1,210:
* [[134]]
* [[134]]
* [[164]]
* [[164]]
* [[170]]
* [[170-A]]
* [[170-B]]
* [[170-C]]
* [[189-A]]
* [[189-A]]
* [[189-B]]
* [[189-B]]
Line 1,197: Line 1,252:
* [[493-HC]]
* [[493-HC]]
* [[493-HE]]
* [[493-HE]]
* [[493-HG]]
* [[493-HH]]
* [[493-HH]]
* [[493-HK]]
* [[493-HK]]
Line 1,214: Line 1,270:
* [[583-A]]
* [[583-A]]
* [[586-A]]
* [[586-A]]
* [[586-CM]]
* [[586-DM]]
* [[586-DM]]
* [[586-EM]]
* [[586-EM]]
Line 1,277: Line 1,334:
* [[1863]]
* [[1863]]
* [[1864]]
* [[1864]]
* [[1865]]
</div>
</div>


Line 1,290: Line 1,348:
* [[775-A]]
* [[775-A]]
* [[1170]]
* [[1170]]
* [[1170-A]]
* [[1170-AT1]]
* [[1170-AT2]]
* [[1170-AT3]]
* [[1170-B]]
* [[1170-B]]
* [[1175-A]]
* [[1175-A]]
Line 1,298: Line 1,360:
* [[1181-BT]]
* [[1181-BT]]
* [[1183-T-A]]
* [[1183-T-A]]
* [[1184-BH]]
* [[1183-T1]]
* [[1183-T1]]
* [[1183-T2]]
* [[1183-T2]]
* [[1183-T3]]
* [[1183-T3]]
* [[1184-A]]
* [[1184-A-A]]
* [[1184-A-A]]
* [[1184-BH]]
* [[1931-A]]
* [[1931-A]]
* [[1931-B]]
* [[1931-B]]
Line 1,315: Line 1,378:
* [[673-A]]
* [[673-A]]
* [[695]]
* [[695]]
* [[695-A]]
* [[759-P50]]
* [[759-P50]]
* [[1116-B]]
* [[1116-B]]
Line 1,334: Line 1,398:
* [[1262-A]]
* [[1262-A]]
* [[1262-B]]
* [[1262-B]]
* [[1262-C]]
* [[1263-A]]
* [[1263-A]]
* [[1263-B]]
* [[1263-B]]
Line 1,408: Line 1,473:
* [[1700-B]]
* [[1700-B]]
* [[1700-CW]]
* [[1700-CW]]
* [[1701-A]]
* [[1701-AK]]
* [[1701-AK]]
* [[1701-AKW]]
* [[1701-AKW]]
Line 1,429: Line 1,495:
* [[L-24]]
* [[L-24]]
* [[L-36]]
* [[L-36]]
* [[LO-12]]
* [[LO-24]]
* [[LO-36]]
* [[M-2]]
* [[M-2]]
* [[M-2G2]]
* [[M-2G2]]
Line 1,443: Line 1,512:
* [[MOD-4]]
* [[MOD-4]]
* [[MOD-5]]
* [[MOD-5]]
* [[U2]]
* [[V-2]]
* [[V-2]]
* [[V-5]]
* [[V-5]]
* [[V-5M]]
* [[V-5MT]]
* [[V-5H]]
* [[V-5HM]]
* [[V-5HMT]]
* [[V-10]]
* [[V-10]]
* [[V-10H]]
* [[V-10HM]]
* [[V-10HMT]]
* [[V-10M]]
* [[V-10MT]]
* [[V-20]]
* [[V-20]]
* [[V-20H]]
* [[V-20M]]
* [[V-20HM]]
* [[V-50]]
* [[V-50]]
* [[VB-1]]
* [[VB-2]]
* [[VB-3]]
* [[VB-6]]
* [[VB-7]]
* [[VB-8]]
* [[VB-10]]
* [[VB-11]]
* [[VB-12]]
* [[VB-13]]
* [[VB-14]]
* [[VBT-6]]
* [[VBT-7]]
* [[VBT-8]]
* [[VBT-10]]
* [[VBT-11]]
* [[VBT-12]]
* [[VBT-13]]
* [[VBT-14]]
* [[W2]]
* [[W2]]
* [[W2M]]
* [[W2M]]
Line 1,457: Line 1,559:
* [[W5HMT]]
* [[W5HMT]]
* [[W5L]]
* [[W5L]]
* [[W5LG2]]
* [[W5LG2M]]
* [[W5LM]]
* [[W5LM]]
* [[W5LMT3]]
* [[W5LMT3]]
Line 1,495: Line 1,599:
* [[W50]]
* [[W50]]
* [[W50-P1]]
* [[W50-P1]]
* [[W50-P2]]
* [[W50H]]
* [[W50H]]
* [[W50HM]]
* [[W50HM]]
* [[W50M]]
* [[W50M]]
* [[VB-1]]
* [[VB-2]]
* [[VB-6]]
* [[VB-7]]
* [[VB-8]]
* [[VB-10]]
* [[VB-11]]
* [[VB-12]]
* [[VB-13]]
* [[VB-14]]
</div>
</div>


Line 1,529: Line 1,624:
* [[1900-P1]]
* [[1900-P1]]
* [[1900-P3]]
* [[1900-P3]]
* [[1909]]
* [[1910]]
* [[1912]]
* [[1913]]
* [[1920]]
* [[1921]]
* [[1921]]
* [[1921-P1]]
* [[1921-P2]]
* [[1921-P2]]
* [[1925]]
* [[1925]]
Line 1,622: Line 1,723:
* [[1568-A]]
* [[1568-A]]
* [[1569]]
* [[1569]]
* [[1911]]
* [[1923]]
* [[1933]]
* [[1933]]
* [[1933-9610]]
* [[1933-9610]]
* [[1934]]
* [[1934]]
* [[1937]]
* [[1938]]
* [[1939]]
* [[1940]]
* [[1944]]
* [[1944]]
* [[1945]]
* [[1945]]
* [[1952]]
* [[1952]]
* [[1954]]
* [[1961]]
* [[1961]]
* [[1962]]
* [[1962]]
Line 1,637: Line 1,745:
* [[1982]]
* [[1982]]
* [[1983]]
* [[1983]]
* [[1984]]
* [[1986]]
* [[1988]]
* [[1995]]
* [[1995]]
* [[2512]]
* [[2512]]
Line 1,647: Line 1,758:
* [[CTP-516]]
* [[CTP-516]]
* [[CTP-554]]
* [[CTP-554]]
* [[143-D]]
* [[289]]
* [[289]]
* [[338]]
* [[338]]
Line 1,669: Line 1,781:
* [[459-A]]
* [[459-A]]
* [[478-A]]
* [[478-A]]
* [[496-A]]
* [[496-BM]]
* [[496-BM]]
* [[497-A]]
* [[497-A]]
Line 1,676: Line 1,789:
* [[506-P1]]
* [[506-P1]]
* [[528]]
* [[528]]
* [[528-A]]
* [[635-B]]
* [[635-B]]
* [[635-P2]]
* [[635-P2]]
Line 1,682: Line 1,796:
* [[651-A-E]]
* [[651-A-E]]
* [[651-A-M]]
* [[651-A-M]]
* [[651-P1]]
* [[651-P2]]
* [[651-P5]]
* [[651-P5]]
* [[655-A]]
* [[655-A]]
Line 1,786: Line 1,902:
* [[550-P1]]
* [[550-P1]]
* [[621]]
* [[621]]
* [[621-A]]
* [[631-A]]
* [[631-A]]
* [[631-B]]
* [[631-B]]
Line 1,813: Line 1,930:
* [[1533-A]]
* [[1533-A]]
* [[1534-A]]
* [[1534-A]]
* [[1535-A]]
* [[1535-B]]
* [[1535-B]]
* [[1535-P1]]
* [[1535-P1]]
* [[1535-P5]]
* [[1536-A]]
* [[1536-A]]
* [[1536-O]]
* [[1536-O]]
Line 1,846: Line 1,965:
* [[IND-0300]]
* [[IND-0300]]
* [[IND-1801]]
* [[IND-1801]]
* [[KN]]
* [[KNB-1]]
* [[KNB-1]]
* [[KNB-1GY]]
* [[KNB-1GY]]
Line 1,851: Line 1,971:
* [[KNB-2GY]]
* [[KNB-2GY]]
* [[KNB-3GY]]
* [[KNB-3GY]]
* [[KNB-4GY]]
* [[KNB-3DGY]]
* [[KNB-3DGY]]
* [[KNS-1GY]]
* [[KNS-1GY]]
Line 1,877: Line 1,998:
* [[110-A]]
* [[110-A]]
* [[110-B]]
* [[110-B]]
* [[110-C]]
* [[110-M]]
* [[119-A]]
* [[119-A]]
* [[119-B]]
* [[119-B]]
Line 1,905: Line 2,026:
* [[156]]
* [[156]]
* [[166]]
* [[166]]
* [[166-A]]
* [[166-M]]
* [[171-F]]
* [[171-F]]
* [[177-B]]
* [[177-B]]
Line 1,917: Line 2,040:
* [[214-A]]
* [[214-A]]
* [[231]]
* [[231]]
* [[231-A]]
* [[231-M]]
* [[248]]
* [[248]]
* [[260]]
* [[260]]
Line 1,922: Line 2,047:
* [[269]]
* [[269]]
* [[271]]
* [[271]]
* [[273-K]]
* [[273-L]]
* [[273-M]]
* [[274]]
* [[274-A]]
* [[274-A]]
* [[274-AP]]
* [[274-AP]]
Line 2,001: Line 2,130:
* [[285-D]]
* [[285-D]]
* [[285-H]]
* [[285-H]]
* [[285-L]]
* [[285-M]]
* [[285-M]]
* [[285-N]]
* [[285-N]]
Line 2,007: Line 2,137:
* [[292-B]]
* [[292-B]]
* [[299]]
* [[299]]
* [[299-S]]
* [[301-S104]]
* [[301-S104]]
* [[302]]
* [[302]]
Line 2,014: Line 2,145:
* [[309]]
* [[309]]
* [[310]]
* [[310]]
* [[310-A]]
* [[310-F]]
* [[310-G]]
* [[317]]
* [[317]]
* [[317-A]]
* [[317-B]]
* [[317-F]]
* [[317-G]]
* [[318-A]]
* [[318-A]]
* [[318-B]]
* [[318-B]]
Line 2,031: Line 2,169:
* [[330-L]]
* [[330-L]]
* [[330-M]]
* [[330-M]]
* [[331]]
* [[337-A]]
* [[337-A]]
* [[337-B]]
* [[337-B]]
Line 2,051: Line 2,190:
* [[367]]
* [[367]]
* [[369]]
* [[369]]
* [[371]]
* [[371-A]]
* [[371-A]]
* [[371-T]]
* [[373]]
* [[373]]
* [[379-R]]
* [[379-R]]
Line 2,066: Line 2,207:
* [[446-P1]]
* [[446-P1]]
* [[471-A]]
* [[471-A]]
* [[480-A]]
* [[480-B]]
* [[480-BA]]
* [[480-MA]]
* [[481]]
* [[481]]
* [[481-P412]]
* [[481-P412]]
* [[502]]
* [[502]]
* [[502-A]]
* [[502-F]]
* [[502-G]]
* [[503]]
* [[503]]
* [[503-A]]
* [[503-F]]
* [[503-G]]
* [[507-A]]
* [[507-A]]
* [[507-B]]
* [[507-B]]
Line 2,132: Line 2,283:
* [[630-B]]
* [[630-B]]
* [[630-C]]
* [[630-C]]
* [[637]]
* [[637-A]]
* [[637-A]]
* [[637-B]]
* [[637-B]]
Line 2,152: Line 2,304:
* [[641-G]]
* [[641-G]]
* [[641-H]]
* [[641-H]]
* [[641-J]]
* [[641-K]]
* [[641-K]]
* [[641-L]]
* [[641-L]]
Line 2,160: Line 2,313:
* [[657]]
* [[657]]
* [[658]]
* [[658]]
* [[660-A]]
* [[661-A]]
* [[661-A]]
* [[661-AX]]
* [[661-AX]]
Line 2,176: Line 2,330:
* [[661-P6]]
* [[661-P6]]
* [[661-P7]]
* [[661-P7]]
* [[661-P8]]
* [[661-P9]]
* [[661-P9]]
* [[661-P10]]
* [[661-P10]]
Line 2,261: Line 2,416:
* [[874-R32A]]
* [[874-R32A]]
* [[901]]
* [[901]]
* [[902]]
* [[901-HD]]
* [[904]]
* [[901-JD]]
* [[901-LD]]
* [[901-TD]]
* [[901-VD]]
* [[901-WD]]
* [[902-HD]]
* [[902-JD]]
* [[902-HF]]
* [[902-JF]]
* [[902-TD]]
* [[902-TF]]
* [[902-VD]]
* [[902-VF]]
* [[904-HD]]
* [[904-JD]]
* [[904-HF]]
* [[904-JF]]
* [[904-TF]]
* [[904-VF]]
* [[905-HF]]
* [[905-HF]]
* [[905-JF]]
* [[905-JF]]
* [[907]]
* [[907-LA]]
* [[908]]
* [[907-LB]]
* [[907-WA]]
* [[907-WB]]
* [[908-LA]]
* [[908-LB]]
* [[908-WA]]
* [[908-WB]]
* [[920-A]]
* [[920-A]]
* [[920-B]]
* [[920-B]]
Line 2,274: Line 2,453:
* [[938-BB]]
* [[938-BB]]
* [[938-BR]]
* [[938-BR]]
* [[938-BG]]
* [[938-C]]
* [[938-C]]
* [[938-D]]
* [[938-D]]
Line 2,307: Line 2,487:
* [[941-A]]
* [[941-A]]
* [[942-A]]
* [[942-A]]
* [[970-P1]]
* [[970-P2]]
* [[970-P3]]
* [[1002-C]]
* [[1002-C]]
* [[1428]]
* [[1428]]
Line 2,329: Line 2,512:
* [[125-A]]
* [[125-A]]
* [[125-G]]
* [[125-G]]
* [[133]]
* [[133-A]]
* [[133-B]]
* [[133-C]]
* [[133-D]]
* [[133-E]]
* [[133-F]]
* [[133-G]]
* [[133-H]]
* [[133-K]]
* [[154-A]]
* [[154-A]]
* [[154-B]]
* [[154-B]]
Line 2,357: Line 2,548:
* [[329-R]]
* [[329-R]]
* [[333]]
* [[333]]
* [[333-A]]
* [[340]]
* [[340]]
* [[371]]
* [[371]]
* [[410]]
* [[410]]
* [[410-A]]
* [[429-H]]
* [[429-H]]
* [[429-K]]
* [[429-K]]
Line 2,381: Line 2,574:
* [[500-H]]
* [[500-H]]
* [[500-J]]
* [[500-J]]
* [[500-K]]
* [[500-L]]
* [[500-M]]
* [[500-R]]
* [[500-T]]
* [[500-U]]
* [[500-V]]
* [[500-W]]
* [[500-X]]
* [[500-AP]]
* [[500-BP]]
* [[500-CP]]
* [[500-DP]]
* [[500-EP]]
* [[500-FP]]
* [[500-GP]]
* [[500-HP]]
* [[500-JP]]
* [[510-A]]
* [[510-A]]
* [[510-AA]]
* [[510-B]]
* [[510-B]]
* [[510-C]]
* [[510-C]]
Line 2,388: Line 2,600:
* [[510-F]]
* [[510-F]]
* [[510-G]]
* [[510-G]]
* [[510-H]]
* [[510-P1]]
* [[510-P3]]
* [[510-P3]]
* [[510-R]]
* [[525-C]]
* [[525-C]]
* [[525-D]]
* [[525-D]]
Line 2,402: Line 2,617:
* [[529-P1]]
* [[529-P1]]
* [[533]]
* [[533]]
* [[533-A]]
* [[552-HB]]
* [[552-HB]]
* [[552-HC]]
* [[552-HC]]
Line 2,413: Line 2,629:
* [[554]]
* [[554]]
* [[598]]
* [[598]]
* [[598-A]]
* [[602-D]]
* [[602-D]]
* [[602-E]]
* [[602-E]]
Line 2,433: Line 2,650:
* [[653-MD]]
* [[653-MD]]
* [[654-A]]
* [[654-A]]
* [[663]]
* [[663-A]]
* [[663-B]]
* [[663-C]]
* [[663-D]]
* [[663-E]]
* [[663-F]]
* [[663-G]]
* [[668-A]]
* [[668-A]]
* [[668-B]]
* [[668-B]]
Line 2,551: Line 2,774:
* [[182-B]]
* [[182-B]]
* [[182-C]]
* [[182-C]]
* [[182-E]]
* [[182-F]]
* [[182-G]]
* [[219-F]]
* [[219-F]]
* [[219-G]]
* [[219-G]]
Line 2,561: Line 2,787:
* [[222-L]]
* [[222-L]]
* [[222-M]]
* [[222-M]]
* [[222-MQ]]
* [[236]]
* [[236]]
* [[239-E]]
* [[239-E]]
Line 2,583: Line 2,810:
* [[247-N]]
* [[247-N]]
* [[247-P]]
* [[247-P]]
* [[248-F]]
* [[248-N]]
* [[248-K]]
* [[334-F]]
* [[334-F]]
* [[334-H]]
* [[334-H]]
Line 2,682: Line 2,912:
* [[848-C]]
* [[848-C]]
* [[848-L]]
* [[848-L]]
* [[980]]
* [[980-A]]
* [[980-A]]
* [[980-B]]
* [[980-B]]
Line 2,694: Line 2,925:
* [[980-N]]
* [[980-N]]
* [[980-P1]]
* [[980-P1]]
* [[1401]]
* [[1401-A]]
* [[1401-A]]
* [[1401-B]]
* [[1401-B]]
Line 2,708: Line 2,940:
* [[1404-B]]
* [[1404-B]]
* [[1404-C]]
* [[1404-C]]
* [[1405-A]]
* [[1405-B]]
* [[1405-B]]
* [[1405-C]]
* [[1405-C]]
Line 2,731: Line 2,964:
* [[1408-9705]]
* [[1408-9705]]
* [[1408-9706]]
* [[1408-9706]]
* [[1409]]
* [[1409-F]]
* [[1409-F]]
* [[1409-G]]
* [[1409-G]]
Line 2,770: Line 3,004:
* [[1427-B]]
* [[1427-B]]
* [[1427-C]]
* [[1427-C]]
* [[1428-A]]
* [[1428-B]]
* [[1428-BM]]
* [[1428-C]]
* [[1429-A]]
* [[1429-A]]
</div>
</div>
Line 2,775: Line 3,013:
=Inductance Standards and Decades=
=Inductance Standards and Decades=
<div class="mpCol6">
<div class="mpCol6">
* [[226]]
 
* [[106]]
* [[106-A]]
* [[106-A]]
* [[106-B]]
* [[106-B]]
* [[106-C]]
* [[106-C]]
* [[106-D]]
* [[106-D]]
* [[106-E]]
* [[106-F]]
* [[106-G]]
* [[106-G]]
* [[106-H]]
* [[106-J]]
* [[106-J]]
* [[106-K]]
* [[106-K]]
* [[106-L]]
* [[106-L]]
* [[106-M]]
* [[106-M]]
* [[107]]
* [[107-A]]
* [[107-A]]
* [[107-B]]
* [[107-B]]
Line 2,804: Line 3,047:
* [[111-E]]
* [[111-E]]
* [[111-F]]
* [[111-F]]
* [[226-A]]
* [[226-B]]
* [[226-C]]
* [[226-D]]
* [[277-A]]
* [[277-A]]
* [[277-B]]
* [[277-B]]
Line 2,841: Line 3,088:
* [[940-G]]
* [[940-G]]
* [[940-H]]
* [[940-H]]
* [[1481]]
* [[1481-A]]
* [[1482]]
* [[1481-AA]]
* [[1481-B]]
* [[1481-BB]]
* [[1481-C]]
* [[1481-CC]]
* [[1481-D]]
* [[1481-E]]
* [[1481-F]]
* [[1481-G]]
* [[1481-H]]
* [[1481-J]]
* [[1481-K]]
* [[1481-L]]
* [[1481-M]]
* [[1481-N]]
* [[1482-A]]
* [[1482-B]]
* [[1482-C]]
* [[1482-D]]
* [[1482-E]]
* [[1482-F]]
* [[1482-G]]
* [[1482-H]]
* [[1482-J]]
* [[1482-K]]
* [[1482-L]]
* [[1482-M]]
* [[1482-N]]
* [[1482-P]]
* [[1482-Q]]
* [[1482-R]]
* [[1482-T]]
* [[1582]]
* [[1490-A]]
* [[1490-A]]
* [[1490-B]]
* [[1490-B]]
Line 2,879: Line 3,158:
=People=
=People=
<div class="mpCol6">
<div class="mpCol6">
* [[Henry P. Hall]]
{{#cargo_query:
* [[Eduard Karplus]]
|tables=Persons
|format=ul
}}
</div>
</div>


Line 2,888: Line 3,169:
* [[Catalogs]]
* [[Catalogs]]
</div>
</div>
<headertabs />
__NOTOC__

Latest revision as of 05:24, 3 August 2024

[edit]
The iconic 1650-A RLC Bridge
The groundbreaking 1657 Digibridge

Welcome to GRWiki, a wiki for the community of General Radio enthusiasts.

The purpose of this website is to help people get information about classic equipment produced by the General Radio (GenRad) Company, a manufacturer of electronic test equipment in Massachusetts, U.S. from 1915 to 2001.

There is nothing for sale here.

Navigating

To find what you need, you can browse the various tabs on the top of this Main Page where we list all GR product pages on this wiki, even if they are only placeholders at this time.

For a list of products for which we have full articles, please see Product Pages.

Contributing

You don't need an account on this wiki if you just want to read pages and download files. If you want to add to GRWiki or improve existing GRWiki pages, please email the administrator for an account.

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