On 02 Apr, 2020 By rosenfel@chass....
- catalogue number: 17.2019124;
- name of artifact: Rogers-Zeglinski 12-inch f/8 reflector;
- date of production: 1926-1929;
- materials of manufacture: optical glass, coatings, copper alloys, steels, iron, hardwood (oak), softwood, plastic, paper, paint;
- maker: H.L. (Henry Launder) Rogers (1887-1955), restored by Joseph Zeglinski, 1967/1970 (primary re-silvered by Jerry Longworth in the DDO vacuum chamber), and 2019;
- provenance:
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