Steelyard

Steelyard

<< >>
Downloads
Description
This resembles the reversible steelyard described in the 1869 patent issued to Peter H. Walker, a Boston merchant who sold scales, balances and other hardware. The inscription at the short end of the beam reads “P. H. WALKER BOSTON.” The patent claimed “The employment, for the purpose of suspending the weight from a reversible scale-beam, of a tubular sliding cross-head, which encircles and fits the beam, and upon which the weight is hung, substantially in the manner and for operation as herein shown and described, so that when the beam is reversed, the position of the weight may be correspondingly changed without removing the cross-head from the beam, or the weight from the cross-head.”
Ref: Peter H. Walker, “Steelyard,” U.S. Patent 97,839 (Dec. 14, 1869).
Location
Currently not on view
Object Name
Steelyard
date made
around 1870
maker
Walker, P. H.
place made
United States: Massachusetts, Boston
Measurements
steelyard: 300 mm x 32 mm x 420 mm; 11 13/16 in x 1 1/4 in x 16 9/16 in
poise: 163 mm x 58 mm; 6 7/16 in x 2 5/16 in
overall; steelyard: 16 1/2 in x 4 in x 1 7/8 in; 41.91 cm x 10.16 cm x 4.7625 cm
overall; weight: 4 3/8 in x 2 1/2 in; 11.1125 cm x 6.35 cm
ID Number
CH.388278
catalog number
388278
accession number
182022
Credit Line
Gift of Dr. and Mrs. Arthur M. Greenwood
subject
Weights & Measures
See more items in
Medicine and Science: Chemistry
Data Source
National Museum of American History
Nominate this object for photography.   

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.

Comments

Add a comment about this object