Word: solder
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Dates: during 1920-1929
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...National Lead Co. whose principal business is to make things out of lead-such things as painters' materials (Dutch Boy Paint), babbitt metals, piano key leads, storage battery oxides. Important alloy of lead is tin, without which many of the most widely used lead products (such as solder) could not be made. The mines owned by National Lead are a small factor in its position as the world's largest consumer of tin and lead. For this reason National Lead, like any wise concern, keeps an eye on its raw supplies. It owns some Patiño stock...
...alloy bronze, from which was fashioned the short sword of the Roman Legions. Varying proportions of copper and tin give gun metal, bell metal, babbitt metal and many another alloy, the greater the percentage of tin the harder being the resulting composition. A tin and lead alloy is solder. Greatest use of tin (35% of total) is the making of tin-plate from which comes the familiar tin can. A tin can consists of about 98½% iron or steel and 1½% of tin-the tin being merely a coating or plate over the steel. Tin, contrary to common...
...evolved. The "Stable-Arc" welders used by the Morgan Co. were built by the Lincoln Electric Co. of Cleveland and mounted on hand trucks. The process: a high frequency arc up to 300 volts is applied to a bar of steel corresponding to a bar of tinsmith's solder, which is pressed along the crevice between two surfaces that are to be joined. The bar is melted, as are both the girder surfaces along the line of the joint, and the molten strip thus formed fuses instantly to a connection of solid metal...