Moore & Wright 441 Internal Micrometer Set 1–5 inch

Moore and Wright internal micrometer set.
Model 441.
Range 1 inch to 5 inch as marked on box.
Sheffield 9 England marked on box.
Main micrometer head marked Moore and Wright Sheffield.
Micrometer head graduated in 0.001 inch divisions.
Set includes micrometer head and multiple extension rods as shown.
Includes setting pieces as shown.
Supplied in wooden fitted storage box.
External box label reads Micrometers by Moore and Wright Internal 441.
End plate on box marked I Internal 1/5.

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