Woodwork for secondary schools; a text-book for high schools and colleges, prevocational and elementary industrial schools (1916)
Griffith, Ira Samuel, 1874-1924 · Peoria, Ill., Manual Arts Press · leaf 152
Elevation Mule DrjveFig. 230. Common Drives: WOODWORKING MACHINES. 147 will make for trouble, either the babbitt will not flowthru or the boxes cannot be easily broken apart. Babbitt is ready to pour when it is heated so that itwill readily char a pine stick such as the reverse end of amatch. Fig.… … Fig. 232 . Exhaust System—Interior Piping. from the various machines are taken away by exhaustthru a system of piping. The exhaust system is well il-lustrated in Figs. 232, 233, and 234, which show the 148 WOODWORK FOR SECONDARY SCHOOLS. piping about the machines, and the exit of the refuse atthe…
Woodwork (Manual training)
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