Printing ZD micrometer, spool

Printing ZD micrometer, spool.

Object details

ID: AST1193.6
Type: Printing ZD micrometer, spool
Materials: Metal
Display location: Not on display
Creator: Unknown
Date made: Unknown
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 60 x 90 mm
Parts: Printing ZD micrometer