bild
GEORGE AND EDWARD SCHEUTZ'S CALCULATING MACHINE.
George and Edward Scheutz's calculating machine. Based on Babbage's 'difference engine', it was developed between 1837 and 1843. Purchased for Dudley Observatory, Albany, New York. Copy made by Donkins for calculating Life Tables at Somerset House, London. (KEYSTONE/HERITAGE IMAGES/Ann Ronan Pictures)
Instruktionen
COPYRIGHTPFLICHTIG BW ONLY
Lizenz
Rights Managed
Erstellungsdatum
Ort
Credit
KEYSTONE
Source
HERITAGE IMAGES
Byline
ANN RONAN PICTURES
Grösse
4420 x 2370 px
Dateityp
JPEG