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Infallible Exposure Meter Co

This page summarises records created by this Business

The summary includes a brief description of the collection(s) (usually including the covering dates of the collection), the name of the archive where they are held, and reference information to help you find the collection.

Date: 1893-1950
Functions, occupations and activities: Engineering: Instrument and Scientific > Scientific instruments
Name authority reference: GB/NNAF/C108738 (Former ISAAR ref: GB/NNAF/B369 )
Collections
Number Description Held by Reference Further information
1
1893-1950: accounts, patents, photographs
North East Wales Archives (NEWA), Ruthin (formerly Denbighshire Archives)
DD/WN
NRA 21864