. Bacteriological apparatus : pathological, biochemical. Scientific apparatus and instruments; Bacteriology; Chemical industry. 1 ®V WtU (tiarpBtatxan, Surljpatrr, 13680 13680 Incubators—Bacteriological, Thelco. Of durable construction, with in- side walls, top and bottom, of asbestos transite, outer walls and top of high-grade washable insulating material, the space between inner and outer walls being filled with air-cell insulation, giving walls more than two inches in thickness and insulated to marked degree of effi- ciency; interior finished in light gray mineral paint, sanitary and he
. Bacteriological apparatus : pathological, biochemical. Scientific apparatus and instruments; Bacteriology; Chemical industry. 1 ®V WtU (tiarpBtatxan, Surljpatrr, 13680 13680 Incubators—Bacteriological, Thelco. Of durable construction, with in- side walls, top and bottom, of asbestos transite, outer walls and top of high-grade washable insulating material, the space between inner and outer walls being filled with air-cell insulation, giving walls more than two inches in thickness and insulated to marked degree of effi- ciency; interior finished in light gray mineral paint, sanitary and heat-resisting; outside finish of white laboratory enamel, which can be kept clean with a moist cloth; inner glass door provided to allow inspection of contents without disturbing temperature of chamber; pilot lamp is fitted outside incubator to enable operator to adjust regulator quickly to desired temperature without opening incubator; two adjustable aluminum ventilators are placed on each side, one near top and other near bottom, communicating with interior by means of aluminum bushing; heating element, removable and cover- ing bottom of chamber, is made of asbestos transite and wound with special resistance wire, cannot get out of order or burn out, so that incubator can be depended upon to run indefinitely without attention; Thelco bimetallic thermostat, the control element, is of durable metal- lic construction, will maintain the temperature indefinitely to within a half-degree of that desired, giving a range of temperature from that of the room to 60° C; when thermostat has been adjusted at de- sired temperature, it can be locked, preventing "creeping" either up or down; each incubator is equipped with two shelves, adjustable as to height; cost of operating incubator at ordinary room temperature, at the highest commercial rate of electricity, is only fraction of a cent per hour; stand, furnished on the incubators indicated below, is of iron pipe, finished in
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscientificapparatusa
