
Title
A microfilter: arrangement of wires in a filar position-Micrometre, the type in general use in the late 19th century
Caption
Engraving depicting a microfilter: arrangement of wires in a filar position-Micrometre, the type in general use in the late 19th century. Dated 19th Century
Date
19th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP23A16_143
License type
Rights managed
Available size
60,0Mb (2,4Mb) / 23,6in x 9,9in / 7070 x 2966 (300dpi)