A New System of Naval Architecture

Voorkant
W. Nicol, and sold by G. and W. Nicol, 1822 - 68 pagina's
 

Geselecteerde pagina's

Overige edities - Alles bekijken

Veelvoorkomende woorden en zinsdelen

Populaire passages

Pagina 63 - ... is square, to move easily and steadily in the smooth collar. KK, stocks. LL, boring bits of all sizes, made to fit the same stocks. MM, the arms rounded, allowing the hand on the stock to work as near as possible without injury. If the stock occupy 12 inches, the length of the arms must be 20 inches for boring 8 inches. For deeper boring, the machine must be proportioned. SIMLSBURY'S TANNING PATENT. SIR,— 'Your insertion of my last letter in the Mechanics...
Pagina 62 - ¿..-.Ei moveable cross bar, 3J feet long, 3 inches wide, and half an inch thick. F, clamp, that receives and carries the cross bar. G, a screw to press the upright against the cross bar, to prevent its sliding when boring. HH, leading screws passing through the end of the cross bar into the smooth collar, with points entering the progressive screw. H...
Pagina 62 - ... inch thick. F, clamp, that receives and carries the .cross bar. G, a screw to press the upright against the cross bar, to prevent its sliding when boring. HH, leading screws passing through the end of the cross bar into the smooth collar, with points entering the progressive screw. H, the...

Bibliografische gegevens