and the paper returns to its original white- Alex. Watt, editor of the electro-metallur- Make a saturated solution of the cyanate of metal disks, sand and water being fed into the ness. gical department of the London Chemist has slit, in the same manner that fine marble is taken out a patent forthe… … This is a more expensive and troublesome during the rise of the bucket, and causing the The most extensively circulated, the most interest other pawl to lock. This permits the shaft method of zincing iron than that commonly ing, reliable, attractive. and cheapest publication of its Our engraving…
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