The annexed engraving represents an improved form of At a recent meeting of the Chemical Society, London, Dr. of the cutter heads and carriage; and by suitable changes Thudicum delivered an interesting address on this sub- of the knives, picket heads of any desired patterns may be ject. He said he… … ration, the fatty ethers. The constituents of the white has been devised for producing the picket heads in complete matter may be separated by treatment with ether, which extracts the kephalins; on concentrating the state. It was patented through the Scientific American Patent solution, and adding…
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