Laboratory CounterTop Stirrer and Agitator
STIRRER, Universal Motor, Electric—A small, compact electric motor with clamp attached directly to the frame for mounting on a laboratory standard. The motor is of the constant speed, Universal Type, interchangeable on A.C. of different cycles or D. C. circuits of the same voltage, but not as to voltage. Variable speed is secured by means of a friction disc drive. The speed […]
Sample Spatula
SPATULA, Porcelain—Glazed. Spatula on one end, spoon on the other. SPATULA, Steel—Flexible steel blade with riveted wooden handle. SPATULA, Steel—Flexible tapered thin steel blade, with wooden handle. SPECTROSCOPE, Direct Vision—Can be used in any analysis where wave length scale is unnecessary, as bright lines of metals and gases and absorption bands in gases are shown. Compactly constructed […]
Engineer Sliding Rulers
SLIDE RULE, Pocket, Mannheim—A convenient, compact little rule for the pocket. Made of thoroughly seasoned white celluloid, accurately divided. Measures 1¼ inches wide, 1/8 inch thick and 5½ inches long over all ; with a 5-inch scale on the face. Furnished in soft leather sheath, with directions. SLIDE RULE, Polyphase—The Polyphase has, in addition to the regular scales of […]
Laboratory Sieve Shaker
The Laboratory Sieve Shaker will quickly and efficiently size laboratory products, thus allowing the determination of various important treatment factors. Results of sizing tests and analyses of sized products will determine such important factors as the following: Size at which valuable mineral is freed from the gangue. Whether tailing losses occur in coarser or finer […]
Samplers and Sample Cutters
SAMPLERS SAMPLER, Ore—With scoop. Sampler of tin with handle, scoop of sheet iron with band iron handle. SAMPLER, Ore, Jones—Consists of heavy tin hopper set in iron support; facilitates quick and even sampling and is easily cleaned. Supplied complete with four tin pans, iron scoop and brush. Pan, only—For above. Scoop, only—For Sample Cutter above. Brush, only—For above. […]
Laboratory Test Paper and Test Tubes
GOLD TEST NEEDLES—Nine needles containing on their points gold of 4, 6, 8, 10, 12, 14, 16, 18 and 20 carats fine, numbered and fastened to a ring. TOUCHSTONE—For use with No. 60700 needles. TEST PAPERS Books TEST PAPER, Litmus, Blue—In books of 25 strips. TEST PAPER, Litmus, Red—In books of 25 strips. Vials TEST PAPER, […]
Laboratory Thermometers
Centigrade and Fahrenheit Scales The value of the Centigrade degree is 1.8 times that of the Fahrenheit degree. Hence to convert ° C. to 0 F. multiply by 1.8 and then add 32° (since 0° C. = 32° F.) To convert 0 F. to ° C., the process is reversed: Subtract 32°, then divide by 1.8. […]
Laboratory Timers and Clocks
CLOCK, Interval Timer—This clock may be used for various timing purposes in the laboratory. It may be set for any interval from a quarter of a minute up to two hours. It is started by moving the lever at the side, and stops when the alarm rings. The movement is well made and reliable. Polished […]
Crucible Tongs
CRUCIBLE TONGS Double Bend, Flat Joint, Long Neck TONGS, Crucible, Double Bend, Flat Joint, Steel—Made from steel wire, with flattened, riveted joint, long neck and flattened, corrugated tips. Double Bend, Flat Joint, Long Neck TONGS, Crucible, Double Bend, Flat Joint—Made from round wire, with flattened, riveted joint, short neck and flattened, corrugated tips. Solid Nickel—Length, 9 […]
Hardware for Metallurgist
ANVIL CLAMP VISE—Specially suited to laboratory shops, has small space for anvil work, clamps to table. Best low priced combined anvil and vise. Width of jaw 4½ cm. opening 4 cm. clamps table tops up to 2 cm. thickness. Be sure to what we think are the best bench vise for the money as of […]