Printing ZD micrometer

Printing ZD micrometer.

ID:	AST1193
Collection:	Astronomical and navigational instruments
Type:	Printing ZD micrometer
Display location:	Not on display
Creator:	Unknown
Date made:	Unknown
Parts:	Printing ZD micrometer Printing ZD micrometer, miscellaneous parts (AST1193.1) Printing ZD micrometer, main mechanism (AST1193.2) Printing ZD micrometer, part (AST1193.3) Printing ZD micrometer, printing roll (AST1193.4) Printing ZD micrometer, spool (AST1193.5) Printing ZD micrometer, spool (AST1193.6)