The Boy Mechanic: Volume 1 - 700 Things for Boys to Do by Popular Mechanics Co.
page 83 of 996 (08%)
page 83 of 996 (08%)
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which, if one is not a smoker, may be readily obtained from any cigar dealer, as they are usually thrown away when empty. Small knobs may be added if desired, but these are not necessary, as the spaces shown between the drawers give ample room to grasp them with the fingers. Labels of some kind are needed, and one of the neatest things for this purpose is the embossed aluminum label, such as is stamped by the well known penny-in-the-slot machines to be found in many railroad stations and amusement places. --Contributed by Frederick E. Ward, Ampere, N. Y. ** Uncurling Photographs [38] Photograph prints can be kept from curling when dry, by giving them the same treatment as was once used on films. Immerse for 5 minutes in a bath made by adding 14 oz. of glycerine to 16 oz. of water, ** Soldering for the Amateur [38] Successful soldering will present no serious difficulties to anyone who will follow a few simple directions. Certain metals are easier to join with solder than others and some cannot be soldered at all. Copper, brass, zinc, tin, lead, galvanized iron, gold and |
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