Sujet
Manufacturing pencils, 1872. Artist: Unknown
Légende
Manufacturing pencils, 1872. The lead (graphite) is set into a grooved strip of cedar, then a second strip of wood is placed on top and glued. The whole pencil was then placed in a machine and rounded.
Oxford Science Archive
Date
1872
Crédit
Photo12/Heritage Images
Notre référence
HRM19B64_427
Model release
Non
Licence
Droits gérés
Format disponible
30,0Mo (2,3Mo) / 25,5cm x 29,4cm / 3017 x 3471 (300dpi)