Seven photographs, various sizes, showing pressed steel tanks, electric screw pile capstans and piling, and pressed steel well curbs, all under working conditions
Photograph, one of a set of seven. This image is of a "Built-up, pressed steel tank on brickwork supports. (Messrs. Braithwaite & Co, Engineers Ltd. Westminster). Tank 140ft x 48ft x 12ft deep. Built to serve as a Grease Tank for the Bradford Corporation Sewage Works."
Photograph, one of a set of seven. This image is of a "Built-up, pressed steel tank on steelwork tower. (Messrs. Braithwaite & Co, Engineers Ltd. Westminster). Tank 40ft x 36ft x 12ft deep. Built up from stanadrd 4ftx4ft, pressed steel plates with external bolted flanges, tower, 70ft high."
Photograph, one of a set of seven. This image is of a "Screwing Bridge Pier Cylinders. 8ft, diam for a large railway bridge in India. The cylinders penetrate 100ft into the river bed, and are bult up in 8ft sections, each section being screwed its own depth in about 27 minutes."
Photograph, one of a set of seven. This image is of a "GEARED, ELECTRIC, SCREW-PILE CAPSTAN. For medium diam screw feet, with light steel cage for holding and directing 8 piles (see model) The Capstan is being lifted higher up the pile, by a crane for a further drive."
Photograph, one of a set of seven. This image is of a "FOUNDATION WELL-CURES FOR KING GEORGES DOCK, CALCUTTA, INDIA. (MESSRS, BRAITHWAITE & CO., ENGINEERS, LTD., WESTMINSTER). Showing the sinking of the 40ft., square steel shoes or curbs, by gradually building up rings of brickwork on top, and simultaneously excavating the four internal pockets. (see model)."
Photograph, one of a set of seven. This image is of a "WORM-DRIVEN, ELECTRIC, CYLINDER SCREW-PILE CAPSTAN. For large diam. screws, show under test driving 2' 6" diam cylinders. In the foreground is a specimen screw foot."
Photograph, one of a set of seven. This image is of a "GEARED ELECTRIC CAPSTANT FOR MEDIUM-DIAM. SCREW PILES. view from above showing the capstan, with its driving motor on top, suspended from a crane hook while being placed in driving position on top of a screw pile. Note the continuous wire tension guy which passes through the inclided guide pulleys at each end of the capstan."
