| Sample |
Date |
Description |
| Oct 1956 | View showing the surface buildings housing the primary and secondary crushing arrangements for handling the run-of-mine anhydrite. In the background is seen part of the cement and sulphuric acid plant of Solway Chemicals Limited |
| Oct 1956 | The Metrovick manriding set used for the transport of personnel in the fresh-air drift |
| Oct 1956 | The first two holes of a cut being drilled off by a three-man crew using Holman Silver Three airleg-mounted machines |
| Oct 1956 | Production loading by an Eimco 621 F machine into a Muir-Hill 14 B dump truck |
| Oct 1956 | The International Drott BTD-6 skid shovel used for cleaning up at production faces and in the haulage roadways |
| Oct 1956 | A routine overhaul on one of the fleet of haulage vehicles proceeding in an underground maintenance bay |
| Nov 1956 | A Muir-Hill 4½ cu. yd. hydraulic dumper discharging its load at the grizzley over the hopper |
| Nov 1956 | Portal of the north drift showing the conveyor belt installation |
| Nov 1956 | The surface stockpile of 3 in.-6 in. anhydrite, also showing the R.O.M. conveyor, belt weighing installation and primary crushing house |
| Nov 1956 | View showing one of the 230 ft. long Edgar Allen rotary kilns into which is fed the ground anhydrite, shale and coke mixture |