Merrill, George P. · John Wiley & Sons, Chapman & Hall, Ltd., · leaf 489
ING AND POLISHING MACHINES. In the larger works the grinding and polishing alreadydescribed is now done by steam power. For flat surfaces acircular horizontally revolving iron plate or grating, attachedto the lower end of a vertical shaft, with elbow joint, is used,the workman guiding it to any… … Fig. 17.—Ingersol Standard Gadder at Work. MACHINES AND IMPLEMENTS USED. 4H of such size as can be handled by the workmen are usuallyground upon horizontally revolving iron beds some 8 or 10feet in diameter. In making straight or only slightly-curved moldings theform is first carved out withthe…
Decoration and ornament, Architectural · Quarries and quarrying · Building stones
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![An illustration from Novo teatro di machine et edificii per uarie et sicure operationi : co[n] le loro figure tagliate in rame é la dichiaratione, e dimostratione di ciascuna : opera necesaria ad architetti, e a quelli, ch[e] di tale studio si dilettano (1607)](https://img.insideoutlibrary.com/img/200/ia-novoteatrodimach00zonc-55-33.webp)
![An illustration from Novo teatro di machine et edificii per uarie et sicure operationi : co[n] le loro figure tagliate in rame é la dichiaratione, e dimostratione di ciascuna : opera necesaria ad architetti, e a quelli, ch[e] di tale studio si dilettano (1607)](https://img.insideoutlibrary.com/img/200/ia-novoteatrodimach00zonc-74-46.webp)
