Photographs of Telescopes. Business file.
- PART OF:
- Business correspondence and invoices
- Made:
- 1950-2005
- maker:
- H.N. Irving & Son
Contains report on Current-Temperature Calibration of an Optical Pyrometer of the Disappearing-Filament Type, dated June 1937, with four supporting monochrome photographs, Nos. 24367/68, N11654/55. Additional 68 unidentified monochrome photographs and negatives of telescopes. Eight monochrome photographs identified with a negative number, 2033/2, 4926-1, 4926/2, 6233/3, 7097, 7097/1, 8756/2. Four monochrome photographs from A.C. Curtis numbered 1 - 4 with handwritten details on the reverse sides.
Details
- Extent:
-
2 bundles
- Identifier:
- IRV/A/154
- Access:
- Open Access
- copyright: