Hoisting Engines Friction Clutch Pulleys Cut-off Couplings. D. Friable & Co. Philadelphia Pa. Hull Vapor Cook Stoves.-Best in the world; sell everywhere. Agents wanted. Send for catalogue and terms. Hull Vapor Stove Co. Cleveland Ohio. Mineral Lands Prospected Artesian Wells Bored by Pa. Diamond Drill Co. Box 423 Pottsville Pa. See p. 398. For best low price Planer and Matcher and latest improved Sash Door and Blind Machinery send for catalogue to Rowley & Hermance Williamsport Pa. Split Pulleys at low prices and of same strength and appearance as Whole Pulleys. Yocom & Son's Shafting Works. Drinker St Philadelphia Pa. HINTS TO CORRESPONDENTS. or no attention will be paid thereto. This is for our information and not for publication. give date of paper and page or number of question. be repeated; correspondents will bear in mind that some answers require not a little research and though we endeavor to reply to all either by letter or in this department each must take his turn. personal rather than general interest and requests accompanied with remittance of $1 to $5 according to the subject as we cannot be expected to perform such service without remuneration. to may be had at the office. Price 10 cents each. marked or labeled. cleanwhite leather belts (military) that will not rub off. A. If the belts are of a dull white. stale bread is the best preparation to use in cleaning them. If they have a gloss use a sponge with tepid water. 2. What to clean white helmets with? A. As for the helmets we know of no means by which they can be cleaned except by coating the soiled places with. ordinary crayon chalk. A little pipe clay mixed with water Would pro bably answer equally as well. paper tough and flexible. Als can the tough paper used for flour sacks etc. be made soft like leather or chanical process ? Is there any machine for taking out stiffness? A. The character of the paper depends largely upon the material with which it is made and also upon the amount of size worke
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