Improvements in or appertaining to the cages of lifts or elevators for use in mines : provisional and complete patent specification
Williams, George
Books, Manuscripts
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Total copies: 1
Author:
Imprint:
HMSO, 1905
Collation:
8 pages : drawings
Dewey class:
346.0486
Language:
English
BRN:
3049275
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Total copies: 1