Either of these adjustments can be effected whilst the driving shaft is in motion by simply ... previously, the boring operator, it the chisel is to cut effectually.
Miss Briella’ contributes to completion of WSP-designed Lower Meramec Tunnel which provides sewer capacity improvements for ...
The annexed engraving is a perspective view of an improved machine for mortising and boring the hubs of wheels ... is made to gear with the shaft B, by a clutch on the other side, and not ...