Interval Timer
date: label: date made
content: 1902-1908
notes: label: Description
content: The inscription on this timer reads "INTERVAL CLOCK, MADE EXPRESSLEY FOR ARTHUR W. HALL SCIENTIFIC CO. BOSTON, MASS., BY S. E. THAYER, WESTFIELD, MASS." Arthur Williams Hall (b. 1873) was a Harvard graduate who worked for the Franklin Educational Co. of Boston, and then the Ziegler Electric Co. In 1902, the Ziegler firm was reorganized as the Arthur W. Hall Scientific Co. In 1908 it was consolidated with the L. E. Knott Apparatus Co.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.327630
label: catalog number
content: 327630
label: accession number
content: 268279
objectType: label: Object Name
content: interval timer
physicalDescription: label: Measurements
content: overall: 8 1/2 in x 5 3/4 in x 3 3/8 in; 21.59 cm x 14.605 cm x 8.5725 cm
label: Measurements
content: overall: 8 7/16 in x 5 11/16 in x 3 1/2 in; 21.43125 cm x 14.44625 cm x 8.89 cm