arieties, adapted to every class of brass mould for casting white metal by Dr. D. F. Lincoln; General Principles of Hospital engine. T. Shaw, 915 Ridge Avenue, Philadelphia, J'u. rings; the castings are about 2 inches Construction, by Dr. Francis H. Brown; Hygiene of Oc- =^v *¥ Stave, Barrel, Keg,… … mostly from wells sunk in the sand. It public health officers and inspectors the work must prove Sent free by mail to any part of the world. Send your seems to be charged with dissolved of the highest value. If it could have a proper popular full address to Emerson, Smith &.Co., Beaver Falls, fft,…
Magnet · Iron · Patents · Pole · Inch · Magnetic · Needle · Scientific American · Suspended magnet · South poles · Soft iron · Inches long · Suspended needle · Horse power · Social science · Mont cenis · Chalk cylinder
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