Recent machine shop patents appeared in each issue. (See also Machy (Lond.) v 35 and 36, 1930)
Recent machine shop patents appeared in each issue
Automobile Engr
Automobile Engineer ; 20
1930
Aufsatz (Zeitschrift)
Englisch
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Abridgments of recent patents relating to railways appeared in each issue
Engineering Index Backfile | 1929
Abridgments of recent patents by C. B. Waterlow appeared in each issue of motor transport
Engineering Index Backfile | 1929
Abstracts of patents pertaining to airplanes appeared in each issue of aviation
Engineering Index Backfile | 1930
Review of latest motorship and oil engine patents appeared in each issue of Brit. motor ship
Engineering Index Backfile | 1930
Specifications of American marine motors appeared in each issue of Motorboat
Engineering Index Backfile | 1931