Drawing.

PART OF:: Business correspondence and invoices

Made:: 1950-2005

part of archive:: Archival material relating to the firm of H.N. Irving & Son, instrument makers

maker:: H.N. Irving & Son

Contains A3 size proposed drawing of Dall-Cassegrain mirror lens, F/16 focal length 128 ins. Scale full size.

Details

Extent:: 1 folder

Identifier:: IRV/A/180

Access:: Open Access

rights:: Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions

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Archival material relating to the firm of H.N. Irving & Son, instrument makers