How to Compile a Catalog

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Tiernan-Dart printing Company, 1915 - Advertising - 95 pages
 

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Page 92 - Measure 144 square inches = 1 square foot 9 square feet = 1 square yard 30£ square yards = 1 square rod 160 square rods = 1 acre 640 acres = 1 square mile...
Page 93 - Parcels weighing four ounces or less are mailable at the rate of one cent for each ounce or fraction of an ounce, regardless of distance. Parcels weighing more than four ounces are mailable at the pound rates shown in the following table, a fraction of a pound being considered a full pound : Up to 50 Ibs.
Page 95 - To find cubic inches in a ball multiply cube of diameter by .5236. Doubling the diameter of a pipe increases its capacity four times. Double riveting is from 16 to 20 per cent stronger than single. One cubic foot of anthracite coal weighs about 53 pounds. One cubic foot of bituminous coal weighs from 47 to 50 pounds. One ton of coal is equivalent to two cords of wood for steam purposes. A gallon of water (US Standard) weighs SVs pounds and contains 231 cubic inches.
Page 95 - To find the diameter of a circle multiply circumference by .31831. To find circumference of a circle multiply diameter by 3.1416. To find area of a circle multiply square of diameter by .7854. To find surface of a ball multiply square of diameter by 3.1416. To find side of an equal square multiply diameter by .8862.
Page 62 - Three-color process plates — Printing plates produced from colored copy or objects to reproduce the picture or object in its original colors by a photo-chemical separation of the primary colors, and etched halftone plates to reproduce each separate color, usually printed in yellow, red and blue. An approximate result may be obtained from one-color copy by using the skill of the workmen in securing the color values on the etched plates.
Page 62 - Deep etching — Additional etching made necessary to secure proper printing depth where this cannot be accomplished by routing, and usually caused by the use of dense black lines, or line negatives and halftone negatives being combined in one plate.
Page 94 - Rubber belts should always be kept free from grease or animal oils. If they slip, moisten the inside of the belt with boiled linseed oil. Some fine chalk sprinkled on over the oil will help the belt. Size of Belts. — In calculating the length of a belt, add the diameter of the two pulleys together, multiply by 3%, divide the product by 2, add to the quotient twice the distance between the centre of the shafts, and the product will be the required length. For example, to ascertain the length of...
Page 61 - DUOGRAPH. — Two half-tone plates made from one copy and usually printed in black and one tint, or two shades of the same color, the two plates made with different screen angles.
Page 61 - Halftone Vignetted... A halftone on which one or more of the edges of the object are shaded from dark tones to pure white.
Page 62 - Plates made by the use of two or more half-tone or line negatives, the films stripped together, and printed and etched on one copper or zinc plate. COMBINATION PLATES.— Color.— Plates made by the use of a key plate and color plates, either half-tone or line, to be printed in two or more colors. BEN DAY PLATES.— Plates made by laying shaded tints on copper or zinc and etching them to produce colors or combinations of colors when printed.

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