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Western Electric 601A transmitter and E2 handset

Started by wfs1933, April 11, 2015, 03:51:22 AM

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wfs1933

Hi,
Does anyone have any info on a WE transmitter with 601A on the face plate?.
Also what is the difference between a E1 and a E2 handset? Thanks in advance.

G-Man

Brief Descriptions Of E-Type Handsets

unbeldi

#2
Quote from: wfs1933 on April 11, 2015, 03:51:22 AM
Hi,
Does anyone have any info on a WE transmitter with 601A on the face plate?.
Also what is the difference between a E1 and a E2 handset? Thanks in advance.

By ca. 1925 the Bell System had developed and used approximately 100 different types of transmitters since inception, according to BTL history, The Early Years.  601 is not one of the common types produced in large quantities.  Not long someone on the forum found a 606A transmitter, here.

Does the transmitter have a patent number on it?

Do you have an E2 handset?
I am waiting for an E2B to go along with my D5 handset mounting. The E2B handset used a high-efficiency receiver for use on long common-battery-signaling local or foreign exchange loops, but the transmitter was operated with a local battery and therefore it required separate cord leads isolated from the receiver. E2 handsets used a four-conductor handset cord, therefore, similar in principle to the later F2 handset on the 307 telephone.  The D5/E2 telephone type was the 206 with a 634-BB subscriber set.

wfs1933

Thanks to all for the info!
on the transmitter i see no date on it but will try to take a picture.