ClipArt ETC
Round head and flat head screws compared.

Wood Screws

Round head and flat head screws compared.

"For work of moderate size shaping machines, which are more recent indroduction than either slotting or planning machines, both of which they resemble in theiraction, are in some respects more convenient. The slide which carries the tool is in their case horizontal, and its short but variable strokes are in a direction transverse to the bed, along which it can travel, just as a slide-rest travels along a lathe bed." —The Encyclopedia Britannica, 1903

Shaping Machine

"For work of moderate size shaping machines, which are more recent indroduction than either slotting…

"Emery Shaping Machine." —The Encyclopedia Britannica, 1903

Shaping Machine

"Emery Shaping Machine." —The Encyclopedia Britannica, 1903

"The slotting machine also cuts grooves and slots, but in an entirely different manner. Those who are acquainted with the wood mortising machine, from which the idea of this tool was derived by Roberts of Manchester, will at once understand its principle, and will appreciate the good service which can be rendered by this principle, and will appreciate the good service which can be rendered by this powerful pairing tool." —The Encyclopedia Britannica, 1903

Slotting Machine

"The slotting machine also cuts grooves and slots, but in an entirely different manner. Those who are…

Flat head screw countersunk (set flush) into wood.

Wood Screw Countersunk

Flat head screw countersunk (set flush) into wood.