Scientific American. 347 May 25, 1872.| Molding Cutter Heads. tion of that class of “ freizing bits,” or rotary cutters for wood working machines, which are adapted to reverse, so … CUTTER HEAD MOLDING MACHINE. that granite often has to be patched and —— 0 a oe mended, and what is called “relaying” is a formidable af.- RESERVOIR PALETTE, drawing, or other design to be copied, is made, has to be fair. thoroughly cleaned and well and evenly varnished; care It is well known to…
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