
Sujet
A microfilter: filar position-Micrometre, the type in general use in the late 19th century
Légende
Engraving depicting a microfilter: filar position-Micrometre, the type in general use in the late 19th century. Dated 19th Century
Date
19e siècle
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP23A16_142
Licence
Droits gérés
Format disponible
60,0Mo (2,4Mo) / 67,8cm x 22,2cm / 8004 x 2620 (300dpi)