Equipment

Prospecting Kits, Plates and Platinum Tools

PLATE, Color, Porcelain—Glazed with exception of bottom surface. Length, 109 mm. ; width, 89 mm, ; thickness 12 mm. ; number of depressions, 12 ; diameter of depressions, 20 mm. ; depth of depressions, 7.5 mm. PLATE, Porous—Dinner plate shape. For drying precipitates and crystals. PLATE, Streak, Porcelain—Unglazed. Used by mineralogists and for arsenic tests. Platinum Ware … Read more

Laboratory Oven Tray

TRAY, Button—For use inside of balance case in weighing silver buttons. Composition, with 24 semi-spherical depressions 3/8 inch diameter, numbered 1 to 24. Tray measures 5×3¼x¼ inches. TRAY—Fire clay, for handling annealing cups in muffles. Reinforced handle. Measures 8×4¾ inches. TRAY, Parting Cup—Made of sheet iron with twelve 1 inch holes. Dimensions, 5¾x8 inches. Will … Read more

Laboratory Calipers

CALIPERS, Micrometer—Measures up to 25 mm. by 1/100 mm. An inexpensive, yet accurate instrument. With ratchet stop.. CALIPERS, Vernier Sliding—Nickel plated steel. For in­side and outside measurements. Slide 10 cm. long, graduated in mm. with vernier to read to 1/10 mm. CASSEROLE, Porcelain, Coors—With lip and flat porcelain handle. Glazed inside and outside with exception of rim. Source Technology … Read more

Laboratory Graduated Burette

BURETTE, Exax Blue Line—Complete with tubing tip and pinchcock clamp. BURETTE, Schellbach—With dark colored stripe on white background, bringing the meniscus to a sharp point by optical distortion and thus facilitating reading.  Complete with tubing tip and pinchcock clamp. BURETTE, Exax Blue Line—With straight glass stopcock. Calibrated at 20° C. BURETTE, Normax—With straight stopcock. Graduated to meet … Read more

Laboratory Barometer

  BAROMETER, Avon Stormoguide, Taylor—Brown mahogany finished cherry frame 5×5 inches, with a 3¾ inch white enameled metal dial with black figures and forecasts. Good quality American movement with adjustable setting for altitudes to 3,500 feet. BAROMETER, Aneroid, High Altitude, Taylor—Lacquered brass case 5 inch diameter, with closed enamel metal dial. Good grade movement, with revolving altitude adjustment, for … Read more

Conical Ball Mills Benefits & Advantages: Hardinge

The generally recognized fact that for economic reduction of any material, it is desirable to perform such reduction in steps or stages, removing that material which is sufficiently fine as soon as it is reduced and grinding it still finer in some device more adaptable to this finer reduction. It has been found that by … Read more

TRIPOD and Troughs

TRIPOD, Iron—Japanned cast iron ring 1¾ inches inside diameter by 3 inches outside diameter, mounted on steel legs. Height, 8 inches. TRIPOD, Concentric Ring, Iron—Japanned cast iron concentric rings, with 5/16 inch diameter by 9 inches high removable copper plated steel legs. TROUGH, Pneumatic, Improved Form—Shaped for “nesting” and stacking. Made of heavy, galvanized iron, with … Read more

Laboratory Alcohol Burner Lamp

BURNER, Alcohol—Of glass. Adjustable to any position, and more powerful than No. 17810. Complete with wick. WICK only—For above. BURNER, Alcohol—Glass, heavy nickel plated brass burner and cap. Complete with wick. BURNER, Alcohol—Of brass, with cap, wick holder and wick. BURNER, Alcohol—Made of polished brass. Will burn either alcohol or sperm oil. Complete with wick and … Read more