1 matching record(s)
E Beck, R. & J.
Beck Microscopes - Petrological & Metallurgical
A Catalogue. R. & J. Beck Ltd., n.d. [c.1938 - see enclosed letter]. Head Office - 69, Mortimer Street, London, W.1. Together with enclosed letter from the Company to R. T. Gunther concerning eye-piece analyser of E. M. Nelson's design. ?Gunther Loan Collection
[?1940-6/ ]
1938?