§ 69. Mr. POTTSasked the Secretary for Mines the number of coal-cutting and other machines in Yorkshire at the end of 1935, and the number introduced each year since 1930?
| Number of machines in use below ground in Yorkshire during the year 1930 to 1935 | |||||||||
| Year. | Coal-cutting machines. | Mechanical Conveyors. | Loaders. | Pneumatic Picks. | Drills for borings hot holes. | ||||
| At Coal Face. | Elsewhere. | For coal getting. | For ripping, etc. | ||||||
| 1930 | … | … | 955 | 366 | 84 | 67 | 651 | 401 | 995 |
| 1931 | … | … | 986 | 359 | 88 | 77 | 641 | 452 | 1,006 |
| 1932 | … | … | 916 | 353 | 90 | 83 | 528 | 537 | 1,098 |
| 1983 | … | … | 949 | 426 | 129 | 94 | 751 | 572 | 1,196 |
| 1934 | … | … | 1,012 | 523 | 195 | 94 | 943 | 725 | 1,307 |
| 1935 | … | … | 1,059 | 635 | 260 | 104 | 1,123 | 843 | 1,284 |