Williams "Coffin" telephone magneto call box
date: label: date made
content: 1880
name: label: maker
content: Charles Williams, Jr.
notes: label: Description (Brief)
content: One of four items: 1 receiver, 1 transmitter, 2 magneto call bells. This call bell is stamped serial #1835. These call bells were popularly known as "Williams' Coffins" and replaced the Watson "buzzer" type of calling apparatus. Used in conjunction with the Blake Transmitter. From donor card: "This apparatus was obtained by the late Mr. W. S. Chase when he was examiner in the Patent Office at the time of the invention of the telephone. It was used in his home in 1880." Six binding posts on the front along with a 2-position pivot switch, a crank handle, and two bells. Cloth insulated wire leads on two binding posts, one wire stub attached to a third post. Push button switch on bottom. Stamped on front: "Made By / Bell Telephone Co. / 109 Court St. Boston".
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Mrs. W. S. Chase
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.308349.02
label: accession number
content: 85303
label: catalog number
content: 308349.02
label: serial number
content: 1835
objectType: label: Object Name
content: telephone call bell
physicalDescription: label: Measurements
content: overall: 16 in x 5 5/8 in x 6 1/2 in; 40.64 cm x 14.2875 cm x 16.51 cm