. Bacteriological apparatus : pathological, biochemical. Scientific apparatus and instruments; Bacteriology; Chemical industry. 18095 18085. 18090 18085 Test Tube Boiler—Electric. Consists of small, cylindrical drum, having nickel-plated, metal body with top and bottom of ^-in. transite; dimensions of drum: height, 60 mm; diameter, 90 mm; mounted on three legs; near center of drum is metal cup, 1 1/16-in. in diameter and 1%-in. in depth, serving as heating receptacle; cup is encased in heating unit, controlled by automatic, adjustable electro-thermo regulator contained within drum; test tubes,
. Bacteriological apparatus : pathological, biochemical. Scientific apparatus and instruments; Bacteriology; Chemical industry. 18095 18085. 18090 18085 Test Tube Boiler—Electric. Consists of small, cylindrical drum, having nickel-plated, metal body with top and bottom of ^-in. transite; dimensions of drum: height, 60 mm; diameter, 90 mm; mounted on three legs; near center of drum is metal cup, 1 1/16-in. in diameter and 1%-in. in depth, serving as heating receptacle; cup is encased in heating unit, controlled by automatic, adjustable electro-thermo regulator contained within drum; test tubes, to be heated, are placed in this cup, temperaturer being so controlled that contests of tube may be brought to boiling point without boiling over; adapter rings are provided for receptacle, permitting use of following sized test tubes, furnished with outfit: Vz, %, % and 1 in.; small crucible, adapted for evaporating small quantities of liquids, is also furnished; maximum current consumption, 1% ampere Each 18090 Test Tube Boiler—Combination Electric. Similar in construction to No. 18085 above, but provided with six heating receptacles instead of one, each controlled by automatic, adjustable electro-thermo regulator and individual snap switch, enabling operator to disconnect receptacles not wanted; outside dimensions: 250x170x90 mm high; rests on four legs 18 mm high, providing an air space between bottom of test tube boiler and table; furnished complete, as shown in illustration, without test tubes or crucibles, but with set of adapter rings for each receptacle; snap switch also furnished for shutting off current supply to entire apparatus, without disturbing cord connection; maximum current consumption, 7% amperes Each 18095 Test Tube Sterilizer. For use in connection with Test Tube Boiler No. 18085 above, constructed of metal, nickel-plated; dimensions: diameter, 80 mm; depth, 20 mm; wire basket is contained within sterilizer and may be removed by means of a
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscientificapparatusa
