Mechanisation in the Bristol District

 

 

No of pits at work

No of cleaning plants % of saleable output cleaned Electrical equipment Cutting machines Conveyors and loaders Pits using horses & ponies No of horses & ponies No of safety lamps in use
Pits using electrical equipment Horse- power in use No of pits using machines Machines in use Tons of coal cut % of total output No of pits using machines Machines in use Tons of coal conveyed % of total output Flame Electric Total
Conveyors Loaders
1910 Combined with Forest of Dean - separate figures not given
1911 Combined with Forest of Dean - separate figures not given
1912 Combined with Forest of Dean - separate figures not given
1913 Combined with Forest of Dean - separate figures not given
1914 Combined with Forest of Dean - separate figures not given
1915                                      
1916                                      
1917                                      
1918                                      
1919                                      
1920                                      
1921 5     4   1                   90 560 22 582
1922 5     4   1                   84 748 34 782
1923 5     4   1                   84 989 68 1,057
1924 5     4  

1

                  78 1,008 50 1,058
1925 5     3   1                 4 51 572 159 731
1926 4     3   1                 3 49 316 379 695
1927 3 1 15.3 2   1                 3 48 36 370 406
1928 3 1 16.9 2   1                 3 48 36 373 409
1929 3 1 16.2 2   1                 3 47 36 374 410
1930 3 1 14.7 2   1 4 17,227 9 0 0 0 0 0 3 48 36 377 413
1931 3 2 22.3 3   1 4 10,919 7 0 0 0 0 0 3 42 36 370 406
1932 3 2 23.3 3   1 4 16,878 10 0 0 0 0 0 3 45 36 336 372
1933 3 2 26.7 3   3 8 29,367 18 1 1 0 7,520 5 3 41 36 324 360
1934 3 2 31.9 3   3 7 42,348 24 1 1 0 6,664 4 3 43 20 269 289
1935 3 2 35.7 3   3 7 32,198 19 1 1 0 3,266 2 2 35 13 276 289
1936 3 1 35.7 3   2 2 23,402 25 1 1 0 10,641 11 1 30 18 278 296
1937 1 1 47.4 1   1 2 23,854 35 1 2 0 23,854 35 1 28 0 0 0
1938 1 1 58.3 1   1 2 19,884 29 1 2 0 19,884 29 1 28 0 0 0
1939 1         1 2 12,155 19 1 2 0 1,559 2         0
1940 1         1 4 15,992 27 0 0 0 0 0         0
1941 1         1 4 17,037 29 0 0 0 0 0         0
1942 1         1 4 13,153 20 0 0 0 0 0         0
1943 1         1 4 5,099 9 0 0 0 0 0         0
1944 1         1 1 4,211 9 0 0 0 0 0         0

Back to introduction