Catalogue of surgeons instruments and medical appliancesElectro-therapeutic apparatusSundries for the surgery and sick-room, medicine chests, etc . cells,giving 8 volts, for lighting alamp. There is a separateregulating resistance for each,so that the required degree ofheat, or brightness of Light,can be accurately obtained. The weight complete , and the dimensions/in. by 5m. by Tin. high. Allthe fittings are nickel plated. Price with sliding Rheostat for Lighting (Fig. 855). £5 10 0 ,, for Cautery alone 3 10 0 ,, for Lighting alone 4 10 0 These are the type in use at most of the Hosp
Catalogue of surgeons instruments and medical appliancesElectro-therapeutic apparatusSundries for the surgery and sick-room, medicine chests, etc . cells,giving 8 volts, for lighting alamp. There is a separateregulating resistance for each,so that the required degree ofheat, or brightness of Light,can be accurately obtained. The weight complete , and the dimensions/in. by 5m. by Tin. high. Allthe fittings are nickel plated. Price with sliding Rheostat for Lighting (Fig. 855). £5 10 0 ,, for Cautery alone 3 10 0 ,, for Lighting alone 4 10 0 These are the type in use at most of the Hospitals, &c. Any of the above can be kept fully charged by connecting them to the StreetMains, through a lump, in districts supplied with continuous rut nut. 218 James Woolley, Sons & Co., Ltd., Manchester. Apparatus— For the application ofthe Current furnishedby Lighting Mains, tothe various needs ofthe Medical Profession. Board, with safety resist-ance, four Graphite Rheostatsof a total resistance of onemillion ohms ; Galvanometer,Switch, and Cut Out, etc. Arranged so that it can befixed hanging on a wall. Price Fiff. 6] £16 0 0. Induction Coil— Used for the same purposes as our Medical Coils, and is especiallyconvenient where the current from the Main can be obtained. Thecurrent that passes into the body of the operator is an induced from the Street current by a wide air space. The apparatusis quite safe to use, and the current strength can be regulated to a is onlv moderately powerful even at the position marked strong, unless specially ordered otherwise. Price £3 O O Electrodes and Flexible Cords extra. Regulating Choking Coils for Working Laryngoscopesand Photophores— Used where a convenient means of regulating an alternating currentis desired. The effect of turning round the knob is to cut out windingsround a ring core one by one without causing any breaks or jumps inthe current, and without finally leaving the resistance of the wire it
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Keywords: ., boo, bookcentury1800, booksubjectsurgicalinstrumentsandapparatus
