§ Mr. G. Macdonald
asked the Secretary for Mines the number of coal-cutting machines and of coal conveyors in operation in the coal industry of Great Britain in December, 1918, March, 1926, and at the latest date on which figures are available?
§ Captain Crookshank
Particulars of the number of coal cutters and conveyors in use are collected only in respect of a calendar year, and not for a particular date. The available information is as follows:
Number of Coal-cutting Machines and Conveyors in use at Mines under the Coal Mines Act in Great Britain in the years 1918, 1926 and 1937. Year. Number of coal cutting Machines in use. Number of Conveyors in use below-ground. At Coal Face. Elsewhere. 1918 … 4,041 613 not available 1926 … 6,512 1,667 1937 … 7,781 5,287 2,013