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The New Tinsmith's Helper and Pattern Book (Classic Reprint)
Hall V. Williams
No preview available - 2015
acid Allow aluminum avoirdupois base bottom brass Cement circle circumference collar cone copper cornice Corrugated cubic cubic foot describe arc describe the arc diagram Diam diameter distance dividers dotted lines draw a line draw lines edge Ellipse equal flange Flaring flat seam fluid ounce foot frustum Gauge gills gutter half section hip bar inch thick inches intersecting iron joint leader line A B line H K linseed oil locks measuring method miter cut miter line molding multiplied obtained one-half ounce Oval perpendicular pieces pints pipe pitch plate points pounds problems putty radius rectangular right angles riveted roof Sal ammoniac sheet metal shellac shown in Fig side elevation skylight slant height slates solder solidity spaces square feet standing seam straight stretchout line surface swaging Table tern tiles tinsmith trough true length tube United States Gallons Weight width wire zinc
Page 6 - To Find the Area of a Regular Polygon When the Side Only is Given. Rule: Multiply the square of the side by the multiplier opposite to the name of the polygon in the ninth column of the following table, and the product will be the area.
Page 20 - To find the solidity of a sphere. RULE. — Multiply the cube of the diameter by .523598, and the product is the solidity.
Page 248 - Take 2 parts of sulphur, and i part, by weight, of fine black lead ; put the sulphur in an old iron pan, holding it over the fire until it begins to melt, then add the lead, stir well until all is mixed and melted, then pour out on an iron plate or smooth stone. When cool, break into small pieces. A sufficient quantity of this compound being placed upon the crack of the iron pot to be mended, can be soldered by a hot iron in the same way a tinsmith solders his sheets. If there is a small hole in...
Page 14 - To Find the Convex Surface of a Frustum of a Cone or Pyramid. Rule: Multiply the sum of the circumference of the two ends by the slant height and half the product will be the slant surface.
Page 327 - US double eagle, $20, gold = 516 T. grains Troy weight is used for weighing gold and silver. The grain is the same as Avoirdupois, Troy, and Apothecaries' weights. • A carat, for weighing diamonds = 3.168 grains = 0.200 gramme. In gold it indicates the fineness and means 1/24 part: Thus 18 carats fine is 18/24 gold and 6/24 alloy. TABLE...
Page 329 - The GRAM is the primary unit of weights, and is the weight in a vacuum of a cubic centimeter of distilled water at the temperature of 39.2° F.
Page 5 - Add the square of the base to the square of the perpendicular, and the square root of the sum will be the hypothenuse.