Patent 168080_IMPROVEMENT IN CALCULATING MACHINE

Informazioni generali
Autore	Barbour, E. D.
Pubblicato	United States Patent Office, United States of America, 1875
edizione
Volume
ISBN
Abstract	"Patent 168080_IMPROVEMENT IN CALCULATING MACHINE" Barbour, E. D., "Patent 168080_IMPROVEMENT IN CALCULATING MACHINE". United States Patent Office, vol. Patent No 168080, United States of America, (1875)

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Engineering School of Bilbao. G building.

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DMG-Lib		https://www.dmg-lib.org/dmglib/handler?docum=15066009
Europeana		http://www.europeana.eu/portal/record/2020801/dmglib_handler_docum_15066009.html

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Univ. Basque C.

http://www.ehu.es/compmech/welcome/Home.html

Administrative information

Time of publication

1875

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