650-A: Difference between revisions
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The '''General Radio 650-A''' is an impedance bridge introduced in 1933. | The '''General Radio 650-A''' is an impedance bridge introduced in 1933. | ||
Frederick Van Veen [https://www.ietlabs.com/pdf/GR_books/The%20General%20Radio%20Story,%20van%20Veen.pdf writes]: | |||
<blockquote>The most noteworthy introduction of 1933 was the Type 650-A Impedance Bridge, the work of GR engineers Horton and Field. | |||
Priced at $175<sup>1</sup>, the 650 was one of the most successful instruments in the Company’s history, remaining in the GR catalog for the next quarter century. | |||
</blockquote> | |||
==Links== | ==Links== | ||
* [https://archive.org/details/sim_general-radio-experimenter_april-may-1933_7_11-12 Robert F. Field, ''The Convenient Measurement of R, L, and C''. General Radio Experimenter, Vol. 7, Nos. 11 and 12, April-May, 1933]. | * [https://archive.org/details/sim_general-radio-experimenter_april-may-1933_7_11-12 Robert F. Field, ''The Convenient Measurement of R, L, and C''. General Radio Experimenter, Vol. 7, Nos. 11 and 12, April-May, 1933]. | ||
<sup>1</sup>About $4,100 in 2023 dollars | |||
[[Category:Impedance measurement]] | [[Category:Impedance measurement]] | ||
[[Category:Introduced in 1933]] | [[Category:Introduced in 1933]] | ||
Revision as of 23:23, 18 December 2023
The General Radio 650-A is an impedance bridge introduced in 1933.
Frederick Van Veen writes:
The most noteworthy introduction of 1933 was the Type 650-A Impedance Bridge, the work of GR engineers Horton and Field.
Priced at $1751, the 650 was one of the most successful instruments in the Company’s history, remaining in the GR catalog for the next quarter century.
Links
1About $4,100 in 2023 dollars