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526 street, New York. Booths 16, 17, 18 and 19. Represented by Messrs. J. Coleman, J..H. King, J. Graham, T. B. Stillman, E. A. Colson, and C. W. Middleton. Exhibiting drawings of half actual size of various types of boilers; electric concentration indicator; models of oil burners, headers and all valves and fittings as installed on boilers. Bethlehem Shipbuilding Corp., Ltd., Bethlehem, Pa. Booths 163, 164, 180 and 179. Represented by Messrs. K. W. Heinrich, sales engineer, A. V. Rey- nolds, advertising department, and other representatives of the sales de- partment. Exhibiting a line of prod- ucts which include: 25-ton evaporator; 14-inch centrifugal pump direct con- nected to 9 x 8-inch vertical steam engine; 9% x 7 x 15-inch dual air pump; 3% x 2% x 5-inch feed pump; 8% x 6 x 18-inch feed pump; 7% x 5 x 10-inch horizontal fuel oil pump; 10% x 8 x 22-inch pair of feed pumps and tank; pump body and valve chest 21 x 14 x 27-inch feed pump; 7 x 8 x 18-inch general service pump; 4% x 5 x ll-inch general service pump; a duplex ram hydraulic telemotor with the transmitter and receiver connected showing the manner in which it is op- erated; a complete mechanical oil burn- ing system including pumps and a section of the furnace front; and ma- rine valves and fittings. H. E. Boucher Mfg. Co., 150 La- fayette street, New York. Booths 84 and 93. Represented by Dwight S. Simpson. Exhibiting miniature marine reproductions with the avowed intention of educating the boy and the young MARINE REVIEW man to things nautical. Since the first exhibition in New York last January, the line has been largely increased and more than a dozen different engines from a single cylinder oscillating 3 x 54-inch to a compound tugboat engine ¥%, x 1% x %-inch have been added. New boilers and boats have also been designed to match the new engines and ' December, 1921 L. Barnwell and William McElhaney. Exhibiting a 2-ton refrigerating plant, a %4-ton compressor, and parts for COs machines. Chase Metal Works and Chase Roll- ing Mill Co., Waterbury, Conn. Booth 46. Represented by J. F. Griffin, R. G. Barton, H. B. Snyder, M. A. Joy, A. G. Craft. Exhibiting manufactured non- ferrous products such as brass, copper and bronze sheets, rod, wire and tub- ing. The exhibit comprises the follow- ing products: Brazed tubing, showing the original sheet, the forming process, welded seam and _ finished material; seamless tubing, showing the original billet or cast shell with intermediate sizes during the drawing operations; rod of various alloys, round, square, bexagonal and many other shapes, both drawn and extruded; sheet brass, ordinary brass alloys, bronze and nickel silver; wire, coils of wire of various composition, including bronze and phosphor bronze wire; miscellaneous samples of finished products, bent into various forms to illustrate the strength and ductility of rods, wire and tubing; microphotographs showing the crystal- line structure of the various alloys EXHIBITS OF PRIVATE FIRMS AND OF THE NAVY spring and electric motors and storage batteries make this the most complete "miniature shipyard" to be found any- where and so far as known, the only one of its kind in this country. Prac- tical miniature sail and power boats are also shown and one or two examples of the company's exhibition models. Brunswick Refrigerating Co., New Brunswick; N. J. Booth 135. Repre- sented by Messrs. W. O. Whitney, W. and samples of rod and tubing show- ing the: flanging, flattening, expansion, crushing, twisting and other physical tests, for strength, ductility and hard- required by the United States government and various consumers. James Clark Jr. Electric Co., Louis- ville, Ky. Booth 231. Represented by Messrs. W. W. Crooker, sales en- gineer, and A. H. Briggs. Exhibiting electric driven tools, including portable ness