The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 185
the agency, and independently of, the will of the engine-driver,guard, or other person or persons on the engine or train required tobe stopped. And I claim both of the mechanical means, or system ofmeans, last herein generally claimed, whether used together or usedseparately, that is to say,… … Sir—If the above rough sketch of an iiistrurnent fur lifting the rails,&c. on a railway, for the jiurpuse of repairs, be thought of any serviceto you or others, fur whose assistance it was contrived, (the plate-layer), you are at liberty to use it in any way that you may considerit deserves.…
Architecture · Civil engineering · Science
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