Pamphlet, A Revised Key to Gould's Patent Artihmetical Frame

This 56-page paper pamphlet, copyrighted in 1881, has the full title A Revised Key to Gould's Patent Arithmetical Frame; Containing Much New and Valuable Matter, Including Common Fractions, Percentage, and the Metric System. It has a variety of problems in addition, subtraction, multiplication, division and decimal fractions that could be set up on a teaching device called Gould's patent arithmetical frame, along with answers. A section of the pamphlet discusses the metric system, and a variety of other arithmetic problems are included.
On the cover, Gould’s address is given as 72 Murray St., New York. This address is crossed out and Chatham, N.J., is written in in ink.
For a related object, see 1994.0038.01. For related correspondence, see 1994.0038.03.
Currently not on view
Object Name
date made
Bugbee, H. K.
Physical Description
paper (overall material)
overall: .2 cm x 13.1 cm x 18.7 cm; 3/32 in x 5 5/32 in x 7 3/8 in
place made
United States: New York, New York
ID Number
accession number
catalog number
Science & Mathematics
Arithmetic Teaching
See more items in
Medicine and Science: Mathematics
Arithmetic Teaching
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of Joel S. and D. Hope Pratt

Visitor Comments

Add a comment about this object

**Please read before submitting the form**

Have a comment or question about this object to share with the community? Please use the form below. Approved comments will appear on this page and may receive a museum response (but we can't promise). Please note that we generally cannot answer questions about your own artifacts or comment on their value, rarity, or collectibility.

Have a question about anything else, or would you prefer a personal response? Please visit our FAQ or contact page.

Personal information will not be shared or result in unsolicited e-mail. See our privacy policy.

Enter the characters shown in the image.