The Dental record . Stohrer, of Dresden,are of two forms; the one is intended for hospital and the other forprivate practice, the principle in both being the same, and theydiffer chiefly in regard to size and portability. These batteries arevery simple in construction, satisfactory in use, and not liable to getout of order. They are composed of from 20 to 30 cells, with carbonand zinc elements and dilute sulphuric acid, with a pinch of bisulphateof mercury in each cell for the excitant. Glass cells are employed inhospital and vulcanite cells in private batteries. Most of the medicalconstant cu
The Dental record . Stohrer, of Dresden,are of two forms; the one is intended for hospital and the other forprivate practice, the principle in both being the same, and theydiffer chiefly in regard to size and portability. These batteries arevery simple in construction, satisfactory in use, and not liable to getout of order. They are composed of from 20 to 30 cells, with carbonand zinc elements and dilute sulphuric acid, with a pinch of bisulphateof mercury in each cell for the excitant. Glass cells are employed inhospital and vulcanite cells in private batteries. Most of the medicalconstant current batteries now in use take their origin from the THE DENTAL RECORD. 251 Stohrer models. An improved form of the Stohrer battery has beenintroduced by Messrs. Salt & Soy, of z\, Btdl Street, Birmingham,to the excellent qualities of which my attention was directed somemonths ago by my late friend Dr. McOscar. The battery referred tois illustrated by Fig. 33, and consists of a handsome mahogany oblong Fie. \. case, with flat top and hinged front, which falls forward to allowaccess to the cells. The elements are the same as in the Stohrercells, and are suspended from an ebonised element board, removableby means of brass handles fixed at each end. The exciting fluid is thesame as in the Stohrer batteries. A battery of the size illustrated iscomposed of 20 vulcanite cells, arranged in sets of four, which slide 252 THE DENTAL RECORD. by five clips on to five horizontal plates attached to as many verticalrods with cross handles, by means of which any number, in gradationsof four, may be drawn up for use. To prevent spilling of the liquidwhen not in use a wooden board, faced with india-rubber, slides on tothe cells when the elements are withdrawn, and so effectually closesthem. Twenty brass sockets, numbered, and each one in connectionwith the cell below, are arranged on the surface of the element board, Fig- 34-
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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherlondon, bookyear188
