- ZA HPRA A3299-B-B9-B9.2-B9.2.13-B9.2.13.1-B9.2.13.1.1
- Parte
Parte de Hilda and Rusty Bernstein Papers
Parte de Hilda and Rusty Bernstein Papers
Parte de Hilda and Rusty Bernstein Papers
Parte de Hilda and Rusty Bernstein Papers
Description of Final Discharge, issues by Base Depot Durban
Parte de Hilda and Rusty Bernstein Papers
Birth Certificate for Lionel Bernstein
Parte de Hilda and Rusty Bernstein Papers
Parte de Hilda and Rusty Bernstein Papers
Parte de Hilda and Rusty Bernstein Papers
Letter of confirmation that L. Bernstein has been elected a member of the Association
Parte de Hilda and Rusty Bernstein Papers
Certificate stating Lionel Bernstein as Associate of the Royal Institute of British Architects
Parte de Hilda and Rusty Bernstein Papers
Parte de Hilda and Rusty Bernstein Papers
Copy of a Report on Novelty Search Relating to Slide Rules, which makes mention of L.Bernstein having developed the longslide rule, which forms the basis of South African Patent Application no. 63/2268; advertising pamphlet for the longslide rule, technical drawing, 1963.