Master Clock
date: label: Date made
content: 1916
label: date made
content: 1916
notes: label: Location
content: Currently not on view
place: label: place made
content: United States: Massachusetts
setName: label: See more items in
content: Work and Industry: Mechanisms
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ME.322836
label: catalog number
content: 322836
label: accession number
content: 249638
objectType: label: Object Name
content: Clock
label: Object Name
content: clock, regulator
label: Other Terms
content: Clock; Electromechanical
physicalDescription: label: Measurements
content: overall: primary clock: 57 in x 17 in x 14 in; 144.78 cm x 43.18 cm x 35.56 cm
label: Measurements
content: secondary clock: 11 in x 11 in x 4 1/4 in; 27.94 cm x 27.94 cm x 10.795 cm
label: Measurements
content: overall: crate: 69 in x 44 in x 25 in; 175.26 cm x 111.76 cm x 63.5 cm
label: Measurements
content: electric cord, secondary clock: 6 1/2 in x 2 1/2 in x 2 in; 16.51 cm x 6.35 cm x 5.08 cm
label: Measurements
content: case key: 2 1/4 in x 13/16 in x 1/32 in; 5.715 cm x 2.032 cm x .0508 cm
label: Measurements
content: screw #1: 1/2 in x 5/16 in; 1.27 cm x .762 cm
label: Measurements
content: screw #2: 1/2 in x 5/16 in; 1.27 cm x .762 cm
label: Measurements
content: screw #3: 1 in x 5/16 in; 2.54 cm x .762 cm
label: Measurements
content: reserve weight no.1-5, 2 each: 1/32 in x 5/16 in; .0762 cm x .762 cm
label: Measurements
content: reserve weight no. 10, 2 each: 5/16 in x 5/16 in; .762 cm x .762 cm
label: Measurements
content: reserve weight no. 20, 2 each: 5/16 in x 1/2 in; .762 cm x 1.27 cm
label: Measurements
content: regulating weights nos. 1,2, 4 total: 5/16 in x 5/16 in; .762 cm x .762 cm
label: Measurements
content: regulating weight no. 10, 1 only: 5/16 in x 5/16 in; .762 cm x .762 cm
label: Measurements
content: pendulum: 42 1/2 in x 1 1/2 in; 107.95 cm x 3.81 cm
label: Measurements
content: ring electrical terminal connector: 3/4 in x 5/16 in x 3/16 in; 1.905 cm x .762 cm x .508 cm