Report on the efficiency and working conditions of the tubes laid down in open ditches since the 1st of January, 1849 / By John Grant, Assistant Surveyor. April 30th, 1849.

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Grant, John (Surveyor)

Works from the collections

Report on the efficiency and working conditions of the tubes laid down in open ditches since the 1st of January, 1849 / By John Grant, Assistant Surveyor. April 30th, 1849.