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Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 332

An illustration from Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices";, 1917, leaf 332
wn high build-ings. When the upper story is clearedthe wheel is set on the next floor belowand so on. The brake controls the dif-ference in weight between the empty andloaded barrow. This method of lowering the materialin taking down the old buildings, avoidsthe dust nuisance made by dischargingthe… … >*£ race a Brace2nd p. Brat Braceloor

Mechanical movements

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