WE Trimline Field Trial Sets

These units were used in Field Trials and never made it to production.

Trimlines were announced in April 1964 and shipped in 1965.

©2002-7 paulf.  All rights reserved.
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WE F-56093 Trimline Field Trial Set

WE F-56093 Trimline Field Test Set - handset
F-56093 Telephone Set

Available only in white (-58), wall mounted.

"Floating" finger stop travels about 30 degrees.

Recall switch (not in center as in later models). Push once to toggle between "on hook" and "off hook". Always returned to "on hook" when handset is returned to base. Apparently not momentary contact ("flash") like later models.

Dial Light operates when "off hook".  Requires a 2012A transformer.

Hardwired, 4-conductor handset cord.

Can be wired for 4-party full selective or 8-party semiselective ringing.


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Please contact me if you have one for sale
or photos of an actual phone to share.


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Information from:

BSP 502-150-900PT

Issue A, April 1964

Provided by the Pioneer Museum
Thanks to Steve Cichorsky

  WE F-56593 Trimline Field Test Set - handset


WE F-56593 Trimline Field Test Set - Flex-Strip
F-56593 Telephone Handset
F-56594 Telephone Base
"Dial-In-Handset"


"1.03  This handset is designed primarily for use in hospitals and other similar institutions.  However it may be installed elsewhere
Note: Do not confuse this handset with TRIMLINE telephone sets.
"

Available only in white (-58), wall mounted.

"Floating" finger stop travels about 52 degrees.  10A dial.

Recall switch (in the center below the dial). Operates the K1 relay in the base, which opens tip and ring and the lamp circuit. Always returned to "on hook: when handset is returned to base.  The switch is operated by a blue button.

Dial Light operates when "off hook".  Requires a 2012A transformer.

F-56666 plug-ended retractile handset cord.  5 conductors with plug on handset end and spade-tips for base connections.

Can be wired for 4-party full selective or 8-party semiselective ringing.

A maximum of 35 handsets can be operated properly from one 18-volt AC 2.0 amp fuse or tap.  Must be fused again in groups of five at 0.5 amp each.


- - - - - - - -

Please contact me if you have one for sale
or photos of an actual phone to share.


- - - - - - - -

Information from:

BSP 502-150-901PT

Issue B, January1967

Provided by the Pioneer Museum
Thanks to Steve Cichorsky

Please send comments or photos of your favorite phones to: 

Email address


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©2002-7 paulf.  All rights reserved.