Currency conversion scale, slide-rule, with packet, 1840-1860

Unfinished paper currency conversion scale of English and

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Unfinished paper currency conversion scale of English and
Science Museum Group
© The Board of Trustees of the Science Museum

Unfinished paper currency conversion scale of English and Foreign prices wrapped in paper inscribed "sliding rule invented by Dr. W.H.Wollaston" c. mid (19th century).

Details

Category:
Experimental Chemistry
Object Number:
1980-1834
type:
currency conversion scale
credit:
Mr. H. Wollaston.