Lehigh Calculating Machine
date: label: date made
content: 1922-1923
name: label: maker
content: Lehigh Corporation
notes: label: Description
content: This pinwheel, lever-set non-printing calculating machine has a black metal case painted black, and 12 levers that are moved forward and down to set the brass pinwheels. Digits are indicated to the left of each lever on the case, and a register at the top of the machine indicates the number entered. There levers have a zeroing bar. To the left of the levers is a divide/multiply lever. On the right side is an operating crank with a wooden handle.
label: Description
content: At the front a movable carriage has a row of 12 windows on the left side that shows the digits on the revolution counter and a row of 20 windows on the right for showing totals. There is a carry in the revolution counter. Rotating thumbscrews at the ends of the carriage zero the registers on it. All three registers have sliding decimal markers. A mechanismat the front releases the carriage shift.
label: Description
content: The machine rests on a metal base that has a metal handle at the front. The bottom has four rubber feet.
label: Description
content: A mark stenciled on the front of the machine reads: LEHIGH (/) CALCULATOR. A mark stenciled on the back reads: LEHIGH (/) CALCULATOR (/) [...]ANUFACTURED & GUARANTEED (/) BY (/) THE LEHIGH (/) CORPORATION (/) NEW YORK, U.S.A. (/) FACTORY - NEWARK, N.J. (/) PATENTED (/) (OTHER PATENTS PENDING) (/) AUG. 4, 1921 (/) APR.25, 1922 (/) MAY 3, 1922. The serial number, stamped on the bottom, is: 8145.
label: Description
content: The patent dates on the machine apparently refer to patents taken out by Hugo Enders of Lehighton, Pa., and then Belleville, N.J., in 1921 and 1922, although the dates do not match precisely in all cases. Enders took out patents relating to calculating machines and assigned them to the Lehigh Corporation of New York City, N.Y.
label: Description
content: According to <I>Typewriter Topics</I>, the Lehigh calculating machine was introduced in about July of 1920, when it was manufactured in Lehighton, Pennsylvania. By 1922, the Lehigh Corporation had completed a new factory in Newark, New Jersey. It stopped selling machines the following year.
label: Description
content: Compare Triumphator calculating machine MA.323655.
label: Description
content: References:
label: Description
content: “The Lehigh Calculating Machine,” <I>Typewriter Topics</I>, vol. 45 # 3, July, 1920, p. 260.
label: Description
content: “Gaining the Lehigh Objective,” <I>Typewriter Topics</I>, vol. 50 #2, February, 1922, pp. 190, 193.
label: Description
content: J. H. McCarthy, <I>The American Digest of Business Machines</I>, Chicago: American Exchange Service, 1924, p. 549.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, New York City
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
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content: Calculating Machines
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of L. Leland Locke
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.311946
label: catalog number
content: 311946
label: accession number
content: 155183
label: maker number
content: 8145
objectType: label: Object Name
content: calculating machine
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: wood (overall material)
label: Physical Description
content: rubber (overall material)
label: Measurements
content: overall: 17.1 cm x 44.3 cm x 22 cm; 6 23/32 in x 17 7/16 in x 8 21/32 in