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.

Date Made: 1879

Maker: Bugbee, H. K.

Location: Currently not on view

Place Made: United States: New York, New York City

Subject: Mathematics


See more items in: Medicine and Science: Mathematics, Science & Mathematics, Arithmetic Teaching


Exhibition Location:

Credit Line: Gift of Joel S. and D. Hope Pratt

Data Source: National Museum of American History

Id Number: 1994.0038.02Accession Number: 1994.0038Catalog Number: 1994.0038.02

Object Name: pamphlet

Physical Description: paper (overall material)Measurements: overall: .2 cm x 13.1 cm x 18.7 cm; 3/32 in x 5 5/32 in x 7 3/8 in


Record Id: nmah_904597

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