Date | 1956-03 |
Industry | Electronics |
Material Type | |
Collection | Post-war Industries |
Source | Commerce and Industry Department,"Product of the month A Tri-color electric lantern", Hong Kong: Commerce and Industry Department (March 1956), 1956 Edition, p.8. |
Repository | Public Records Office of Hong Kong |
Note to Copyright | Permission for use is given by Public Records Office of Hong Kong |
Accession No. | TB-1956-05 |