| Sample |
Description |
| Bates pit screens and washery |
| Fig. 1 — Sketch plan showing disposition of collieries, railways and tramway between North Seaton and Cambois pits |
| Fig. 2 — Scraper conveyor face in the Yard seam, Cambois Colliery |
| Fig. 3 — Pumping plant, Cambois Colliery, the electrical equipment is by the English Electric Co. & Geo. Ellison Ltd. |
| Fig. 4 — Machine-cut double-unit conveyor face, Plessey seam |
| Fig. 5 — Discharge point of gate conveyor |
| Fig. 6 — View in basement of winder house showing oil pumps and accumulator for brake engine |
| Fig. 7 — View of the No. 1 haulage, Cambois pit |
| Fig. 8 — 365 h.p. winder at North Seaton Colliery |
| Fig. 9 — View of winder, Cambois Colliery |
| Fig. 10 — Horsepower-time curves for geared winder, North Seaton Colliery, when working on 40 and 50 cycles |
| Fig. 11 — Horsepower-time curves for Cambois Colliery equipment when working at the different frequencies |
| Fig. 12 — View of pit bottom, Bates pit, showing excavation work for shaft sidings and shuttering for brick arches |