. Illustrated catalogue of surgical instruments : and of allied lines . a Harvard No. 612 Rectal Thermometer A-653 Harvard Trinity Case, polished hard rubber, nickel plated mounts, safetychain and pin. two round and one hexagon tube. Complete with oneHarvard One Minute clinical, one Harvard pear-shaped Rectal Ther-mometer, and one Bath Thermometer as carefully made as a feverthermometer A-654 Ranfac Clip Case (patented), equipped with Ranfac Safety Clip fastenerand centralizing jar-absorbing springs, which engage the thermometerand hold it firmly without screw threads: with nickel pl
. Illustrated catalogue of surgical instruments : and of allied lines . a Harvard No. 612 Rectal Thermometer A-653 Harvard Trinity Case, polished hard rubber, nickel plated mounts, safetychain and pin. two round and one hexagon tube. Complete with oneHarvard One Minute clinical, one Harvard pear-shaped Rectal Ther-mometer, and one Bath Thermometer as carefully made as a feverthermometer A-654 Ranfac Clip Case (patented), equipped with Ranfac Safety Clip fastenerand centralizing jar-absorbing springs, which engage the thermometerand hold it firmly without screw threads: with nickel plated .35Complete with one Harvard One Minute Thermometer A-656 Thermometer Sterilizer, ebonized, hard rubber, mounts nickel plated, ballsafety clip. Conlains diaphragm which allows the carrying of any ster-ilizing solution. The thermometer can be withdrawn and the case laiddown without spilling a drop of the solution. Readily taken apart for cleaning Case only Complete with one Harvard One Minute Thermometer SURGICAL INSTRUMENTS 27 OSTIC. A-655 A-660 THERMOMETER CASES A-640 Thermometer Case, alum-inum, with chain | •A-G45 Thermometer Case, metal, gilt, with chain 25 A-650 Thermometer Case, cylin-drical, sterling silver, em-bossed A-655 Thermometer Case, conical, sterling silver, embossed. A-GGO Thermometer Case, cylin-drical, pearl, with gold plated mounts 2 •A-GG5 Thermometer Case, conical,pearl, with gold platedmounts THE ZIPP CLINICAL THERMOMETER CASE A-622 The principal feature of the patented Zipp case is thecentrifugal action employed for mechanically forcingthe mercury into position for another reading. Within the metal case a spiral spring fastened to thebottom of case, and running to the top, is fastened toa revolving ferrule provided with two openings for thereception of the thermometer. If this ferrule is re-volved the spring .rily winds up and rapidlyrotates the ferrule in the opposite direction when re-leased, th
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Keywords: ., boo, bookcentury1900, booksubjectsurgicalinstrumentsandapparatus
