Descriptions of Occupations: Metal Working, Building & General Construction, Railroad Transportation, Shipbuilding. Prepared for the United States Employment Service by the United States Bureau of Labor Statistics

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U.S. Government Printing Office, 1918 - 123 pages

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Page 22 - He should know foundry- and pattern-room notations and be familiar with all drawing conventions. He should be 18 years of age or over; should have good health and exceptionally good eyesight. He should have had experience as a tracer and detailer, and preferably one to two years
Page 122 - The ship and boat draftsman must do ship drafting in connection with the design and construction of hulls for large boats or ships. Qualifications: He must be an experienced draftsman with a thorough knowledge of the various types of ships, including the principal dimensions, lines, beam members, and structural details, and be capable of making all drawings, such as horizontal and longitudinal cross sections, deck plans, transverse, bulkhead, rigging details, cargo boom and fittings, water-tight...
Page 23 - Description: The duties of the tracer are to copy drawings by tracing them with ink on transparent cloth or paper. Qualifications: He should be able to use skillfully the tee square, triangle, ruling pen, bow pen, and compass pen. He should understand the relation of mechanical drawing views and be familiar with the conventions and symbols for such things as screw threads and bolt heads. He should do accurate and rapid free-hand lettering; should be able to file blue prints; have a good knowledge...
Page 17 - Must also bo able to accurately lay out templates for shell plates, heads, crown sheets, angles, braces, tubes, manholes, dome and headers, and understand boiler assembly.
Page 22 - He should know the common shop terms, such as drill, ream, tap, bore, grind, taper, face, and finish. He should be over 16 years of age.
Page 39 - It is desirable thnt he know the mathematics of pulley ratios, feed-gear ratios, back-gear ratios, taper computations, speeds and feeds, and change gears for thread cutting. This would require a knowledge of the following mathematics: Common fractions, decimals, proportions, simple algebraic equation, use of formulas, square root, making and reading of graphs, solution of right-angled triangles. He should have a general shop knowledge as follows: Belts, pulleys, lubricants, to include oils, greases,...
Page 23 - ... of drill taps, dies, reamers, and gear cutters. He must understand mathematics and mechanics so that he can make all calculations, layouts, and developments, and know something of the principles of the strength of materials. He should be familiar with the use of reference books, such as hand books and catalogues.
Page 120 - He must be a thoroughly experienced mechanical draftsman, with special knowledge of general design and details of marine engines, either single, compound, or triple expansion, steam turbines, boilers, pumps, condensers and feed water heaters, piping, and auxiliary apparatus. He must be familiar with the layout of foundations and supports of power and operating equipment in ships of different types.
Page 55 - The duties of the cabinetmaker are the making-of all kinds of wood cabinets and fine woodwork. Qualifications: He must be practically experienced in the selection and use of hard woods and veneered woods, and be able to work to drawings and sketches, laying out and making or repairing all kinds of furniture, cabinets, desks, instrument cases, and fine wood work. He should be a skilled bench hand and have had some experience in the use of woodworking machinery. Schooling: Common school; preferably...
Page 89 - ... and surveying work of a general nature. Qualifications: The general surveyor must be capable of making preliminary and location surveys, compass surveys, topographical sketches, leveling for grades and flow, profile and cross-section surveys, and laying out reservoirs ; must be capable of making complete and intelligent field notes and plotting them in regular form.

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