Briggs' Quick and Sure Reckoner

Description
This U.S. Patent Office model for an adder has a square wooden frame. On top is a piece of paper printed with the numbers from 1 to 100 and a rotating tin disc. The disc has 100 holes in it and is covered with another piece of paper, with the digits from 1 to 100 printed around the edge. Atop this disc is a second, smaller wooden disc with ten serrations around the edge. There also is a fixed metal arm which reaches over the 100 disc on the outside paper. This arm advances the smaller disc at every rotation of the larger disc.
Census records suggest that the inventor of this device was born in Connecticut or Massachusetts in about 1813. The 1840 U.S. Census indicates that there was a William M. Briggs, 20 to 30 years old, living with a woman of about the same age and two children in Stoughton, Norfolk County, Massachusetts. No record for William Briggs was found in the 1850 census for Massachusetts. The 1860 Census returns list a William Briggs, 47 years old and a farmer, living with Elizabeth, 32 years old, and children Emma (10), Frank (5), and George (2). This William Briggs was supposedly born in Massachusetts. The family lived in Sharon, Norfolk County, Massachusetts, a town very close to Stoughton, Massachusetts. In the 1870 Census for Stoughton, Norfolk County, Massachusetts, there was a William M. Briggs, miller, 57 years old, born in Connecticut. He reportedly lived with Elizabeth (age 43) and a five-year old boy.
References: U.S. Patent 222,126, December 2, 1879.
P. Kidwell, “Adders Made and Used in the United States,” Rittenhouse, 1994, 8:78-96.
Location
Currently not on view
date made
1879
patentee
Briggs, William M.
maker
Briggs, William M.
place made
United States: Massachusetts, Stoughton
place patented
United States: Massachusetts, Stoughton
Physical Description
wood (overall material)
metal (overall material)
paper (overall material)
Measurements
overall: 2.2 cm x 15 cm x 15.4 cm; 7/8 in x 5 29/32 in x 6 1/16 in
ID Number
MA.311959
accession number
155183
catalog number
311959
Credit Line
Gift of L. Leland Locke
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Adder
Data Source
National Museum of American History, Kenneth E. Behring Center

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