Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The wire saw in slate quarrying -- Second supplementary report
Wire saw, introduced about two years ago, has revolutionized slate quarrying in Pennsylvania; description of equipment; tabular list of companies using total of 27 wire saws; sinking 36 lb. holes, for standards, with rotary drills; details of operation; use of wire saw in slate-finishing mills is suggested. (See also U. S. Bur. Mines -- Report of Investigations, no. 2918, Mar. 1929, 7 pp., 1 fig. on supp. plate; see also Rock Products, vol. 32, no. 10, May 11, 1929, pp. 81-85, 10 figs.; Pit and Quarry, vol. 18, no. 6, June 1929, pp. 81-84, 5 figs.; Can. Min. Jl., vol. 50, no. 527, Apr. 20, 1929, p. 411, 1 fig.; and Cement, Mill and Quarry, vol. 34, no. 5, May 1929, pp. 36-39)
The wire saw in slate quarrying -- Second supplementary report
Wire saw, introduced about two years ago, has revolutionized slate quarrying in Pennsylvania; description of equipment; tabular list of companies using total of 27 wire saws; sinking 36 lb. holes, for standards, with rotary drills; details of operation; use of wire saw in slate-finishing mills is suggested. (See also U. S. Bur. Mines -- Report of Investigations, no. 2918, Mar. 1929, 7 pp., 1 fig. on supp. plate; see also Rock Products, vol. 32, no. 10, May 11, 1929, pp. 81-85, 10 figs.; Pit and Quarry, vol. 18, no. 6, June 1929, pp. 81-84, 5 figs.; Can. Min. Jl., vol. 50, no. 527, Apr. 20, 1929, p. 411, 1 fig.; and Cement, Mill and Quarry, vol. 34, no. 5, May 1929, pp. 36-39)
The wire saw in slate quarrying -- Second supplementary report
Stone
Bowles, O. (Autor:in)
Stone ; 50
1929
3 pages
1 Fig.
Aufsatz (Zeitschrift)
Englisch
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Self-levelling cement mortar containing grounded slate from quarrying waste
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Self-levelling cement mortar containing grounded slate from quarrying waste
| Online Contents | 2010
| British Library Online Contents | 2010