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Description: | [Engineering drawing: Gates Rock and Ore Breaker / Gates Iron Works, Chicago. Drawn by A.H. Alexander, 11 Nov 1887. Line drawing with wash, scale 3" : 1'. Accompanied by promotional booklet (40p., Dec. 1888 edition), and a sheet (32 x 47cm.) bearing an engraved sectional perspective view and a lengthy ts. explanation. The actual rock and ore breaker, inv. no. 1891-218, was disposed of in ca.1930] | License: | http://creativecommons.org/licenses/by-nc-sa/2.5/ | Subjects: | engineering drawing | Temporal: | 1887 | Source: | Science Museum | Creator: | Gates Iron Works | Identifier: | 1988-428 | Go to resource |
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