Table, pull type and radial circular saws similar to those used for cutting wood or metal are suitable for cutting Lucite methyl methacrylate resin. Blades with from 5 to 8 teeth per inch and no set give good results when running at a rate of about...
Standard wood and metal turning equipment, including hand fed lathes, turret lathes and automatic screw machines, are suitable for turning Lucite methyl methacrylate resin. A tool used for cutting steel will perform satisfactorily. It can be...
Hendrick is interested in securing a guarantee for the six horse boiler and the ten horse boiler as to the amount of steam per hour they will make. He also asks if the boiler will make practically dry steam.
Band saws are often used for cutting curves of large radius in Lucite methyl methacrylate resin. Because of the length of band saw blades, they dissipate heat more rapidly than do circular saws. Accordingly, they operate at lower temperatures and...
John Sheehan now makes about 10,000 combs in an eight hour day at the DuPont Company's Leominster, Massachusetts plastics plant which is operated by the Plastics Department. He handles two compact molding machines, each of which forms 10 combs...
Three parts per million of hydrogen and 10 parts per million of oxygen can be detected in titanium metal by apparatus operated by this technician at the DuPont Company's Newport, Delaware plant. Oxygen makes the metal hard and brittle, thus amount...
Bars of TD Nickel, a new alloy developed by DuPont for high temperature use in missiles and space vehicles, are displayed by William Wartel, technical supervisor at the DuPont Metals Center in Baltimore. The starting material is a powder containing...
Total cost to build plant was $1,300,000,000 and involved more than 8,100 companies of which 5,745 were small firms. More than 138,000 purchase orders costing more $500,000,000 were placed. More than 87,000 orders totaling about $245,000,000 went...
Compressors are basic tools for making ammonia for industry and as a starting material for other products of the Belle WV plant of DuPonts Polychemicals Department. Six of a battery of fifteen primary compressors in line build up fast pressures in...
Fifteen specifically engineered hyper compressors like this one take gas previously compressed to 450 pounds per square inch and building the pressure up to 12,000 pounds per square inch at the Belle WV plant of the DuPont Company Polychemicals...
Fifteen specifically engineered hyper compressors like this one take gas previously compressed to 450 pounds per square inch and building the pressure up to 12,000 pounds per square inch at the Belle WV plant of the DuPont Company Polychemicals...
Hendrick inquires if they know enough about their boilers to give him a guarantee that the 10 horse boiler will evaporate 300 pounds of water per hour. Hendrick references the company's ad and asks if the boiler burns kerosene as well.
Hendrick requests that Taunton reply to his earlier inquiries and adds a query about the height and diameter of the 10 horse boiler. Hendrick prefers their boiler to one from Salamandrine based on its lesser weight and appearance. The guarantee he...
Written on back: "This 1902 Sears-Roebuck Motor Buggy, originally purchased by Marcellus Diehl of York, Pa., has been owned and operated by his nephew, J. J. Ruth, 561 Smith St., York, Pa., for 30 years. The motor has only been reconditioned once,...
