|
|||
Recent ArticlesEgg WritingDissolve 1/2 ounce of alum into 1/2 pint of vinegar. Dip a fine tipped brush into the solution and write your message on the shell of an egg. Let dry completely; then boil for 15 minutes. Writing cannot be seen on the shell, but is on the inside of the egg. DO NOT EAT THIS EGG . . . . ... More from Hobbies Acid Test For Gold and How You Can Find the Number of Karats in GoldIf you wish to find out if a piece of jewelry is made of gold, touch it with a glass stopper which has been wetted with nitric acid. If it is pure gold it will remain untouched and unchanged; if not, the solution will become blue from the formation of nitrate of copper. (False "gold" always contains copper.) To find the number of karats in a gold object is not as easy as testing for gold c... More from Hobbies Mirrors - Silvering And Re-SilveringSolution No. 1: Nitrate of Silver (pure) . . . . . . . . 40 grains Nitrate of Silver (pure) . . . . . . . . 32 grains Distilled Water . . . . . . . . . . . . 1 pint Ammonia, 26% . . . . . . . . . . . . . . To be used as directed. Take one pint of distilled water, pour 4 ounces of this into a glass, and into this put 40 grains of Nitrate of Silver. Dissolve the Nitrate of Silver t... More from Home and Garden One-Way Window GlassCaution: Chemicals and ready-to-use solutions will cause stubborn stains on hands and clothing. Clean glass with soap and water, then rinse thoroughly, handling the glass on the edges, only. Let glass dry. Use a small mop, or make one with cotton on a stick. Pour a little NITRIC ACID on the surface of the glass and spread it around with the mop. Flush the surface with water, then pla... More from Home and Garden How You Can Color Fireplace FlamesIf you enjoy sitting around your fireplace and watching colorful flames dance, you'll be happy to know you can color your own flames quite cheaply. Basically, there are three methods of coloring fireplace flames. You can soak the logs in an alcohol solution which contains certain chemicals. Or you can soak the logs in a water solution containing certain chemicals and then dry them. And fi... More from Home and Garden How You Can Make Glow-In-The-Dark InkYou can make glow-in-the-dark ink with 2 simple ingredients. Pour into a small bottle 1 oz. oil of cinnamon and 1/4 oz. phosphorous. Close the bottle tightly and place in a hot water bath. Heat until the ingredients have melted together. ... More from Home and Garden Waterproofing and FireproofingWaterproofing Canvas Mix 3 cups soybean oil (available from grocery or health food store) with 1 1/2 cups turpentine. Paint on and let dry. Reapply after a year or two of hard use or outdoor exposure. This is great for tents, awnings and camping equipment. WATERPROOFING LEATHER FOR OUTDOOR USE Method 1: Heat together in a double boiler, 2 1/2 ounces neat's-foot oil (be careful ... More from Home and Garden
|
More Information: » Autos
|
||