Modern stone-cutting and masonry : with special reference to the making of working drawings (1896)
Siebert, John S. (John Selmar), Biggin, Frederic Child · New York : J. Wiley & Son ; London : Chapman & Hall · leaf 21
8 MODERN STONE-CUTTING AND MASONRY. dots are more regular. The variations of level are about \ inch, and the rows are made parallel. When other rows at right angles to the first are introduced, the stone is said to be cross-crandalled. … Fig. 9. Fig. to. Axed or Pean- hammered, and Patent -hammered. — These two vary only in the degree of smoothness of the surface mm I. 'I , III' 111 Fig. 11. Fig. 12. which is produced. The number of blades in a patent ham- mer varies from 6 to 12 to the inch, and in precise specifica- tions the…
Stone-cutting · Masonry
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