
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_144
Licence
Droits gérés
Format disponible
60,0Mo (2,7Mo) / 35,5cm x 42,4cm / 4192 x 5003 (300dpi)