Telecommunications Museum
Catalog of Prospective Donations and Loans

Entry Description and Significance Date of Origin Related Links

Western Electric/AT&T 20-tube coaxial cable, 44-inch length

This cable, three inches in diameter and weighing about nine pounds per foot, was a high-capacity communications medium used on some major AT&T Long Lines routes.

Entry created 3/5/2006

ca. 1970

Western Union Desk-Fax facsimile machine

Used to transmit images of telegrams between institutional subscribers and Western Union offices, eliminating the need for messengers.

Entry created 3/5/2006

ca. 1952

Western Electric/AT&T microwave systems combining network for dual 6 GHz waveguides (quantity: 2)

These networks, mounted near the base of the tower (one network per antenna), allowed a single horn-reflector antenna to transmit or receive horizontally and vertically polarized signals simultaneously, doubling the number of radio channels an antenna could carry, resulting in increased network capacity.

Entry created 3/5/2006

ca. 1960

Western Electric 634A ringer

Before bells ("ringers") were built into telephones, they were housed in separate boxes.

Entry created 3/5/2006


Book, "Principles of Electricity Applied to Telephone and Telegraph Work", 1938 edition

A training text for AT&T technical personnel.

Entry created 3/5/2006


AT&T Long Lines Plant Operational Error "scoreboard"

Displayed the number of mistakes made by technical personnel at a Long Lines facility in Pennsylvania; illustrated with a hand-drawn motivational poster.

Entry created 3/5/2006


Completed Specifications files from AT&T Long Lines microwave station, Jackie Jones Mountain (Stony Point), NY (approx. 30 binders)

Documents describe modifications to the station and its equipment.

Entry created 3/8/2006


Wall thermometer with safety slogan "Condition Your Driving to Driving Conditions"

Demonstrates the Bell System's emphasis on safety in all types of activities. From the Jackie Jones Mountain, NY station.

Entry created 3/8/2006


Tower lighting controller, electromechanical, Hughey and Phillips

Typical of equipment which operated the red aircraft warning beacons on telecommunications towers. Features a motor-driven "see-saw" mercury switch to flash the beacon.

Entry created 3/23/2006


Western Electric 416B vacuum tube

A microwave triode instrumental in the development of the Bell System's nationwide TD-2 (4 GHz) microwave radio network.

Entry created 3/23/2006

ca. 1953

Western Electric K-carrier line amplifier

Repeater equipment for an analog frequency-division multiplexed wire-pair cable carrier system widely used in the Bell System's long-distance network for many years.

Entry created 3/23/2006


Updated on March 23, 2006 at 01:11 by Albert LaFrance