Using a method of drilling never before applied to coal borings and which has enabled them to drill an 8 inch borehole 1,646 feet National Coal Board engineers are working day and night on newly discovered seams of bituminous coal under farmland at Crackley Bank, near Shifnal, Shalop. Picture shows: A general view of the coal drilling at Crackley Bank, showing the 90feet high jack knife boring derrick, and drill. 7th April 1948.
Using a method of drilling never before applied to coal borings and which has enabled them to drill an 8 inch borehole 1,646 feet National Coal Board engineers are working day and night on newly discovered seams of bituminous coal under farmland at Crackley Bank, near Shifnal, Shalop. Picture shows: A general view of the coal drilling at Crackley Bank, showing the 90feet high jack knife boring derrick, and drill. 7th April 1948.
Crédit: Album / TopFoto
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Taille de l'image: 4886 × 6379 px | 89.2 MB
Taille d'impression: 41.4 × 54.0 cm | 1923.6 × 2511.4 in (300 dpi)