Patents for inventions; abridgments intended to serve as guides to specifications, including endless-track vehicles and tractors, etc. (class 79 (i), period 1921-1925)
Locomotives and tramway, traction, portable, and semi-portable engines. Abridgments of specifications, class 79 (i), period 1921-1925
Abridgments Specifications
1928
137 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Locomotives and tramway, traction, portable, and semi-portable engines
Engineering Index Backfile | 1925
Locomotives and tramway, traction, portable, and semi-portable engines
Engineering Index Backfile | 1925
Engineering Index Backfile | 1929
Wood, Working (including sawing), Abridgments of Specifications, class 145 (ii), period 1921-25
Engineering Index Backfile | 1930
Wood, cutting (other than sawing), abridgments of specifications, class 145 (i), period 1921-25
Engineering Index Backfile | 1930