A manual of practical medical electricity : the Röntgen rays and Finsen light . Fig. 61.—Diagram of Connections of De Wattevilles Key. other hand, cells keep best in a cool place. Fig. 62 isthat of a simple form of current-interrupter that it is bestto interpose in the circuit of the long wires at the cellarend ; it consists of two plates of glass having hollow placesbetween them to receive a brass peg. The plates areconnected by the binding screws to the divided wire. The. Fig. 62.—Current-interrupter. peg can be left in when the cells are in frequent use, butshould be kept out on other occas
A manual of practical medical electricity : the Röntgen rays and Finsen light . Fig. 61.—Diagram of Connections of De Wattevilles Key. other hand, cells keep best in a cool place. Fig. 62 isthat of a simple form of current-interrupter that it is bestto interpose in the circuit of the long wires at the cellarend ; it consists of two plates of glass having hollow placesbetween them to receive a brass peg. The plates areconnected by the binding screws to the divided wire. The. Fig. 62.—Current-interrupter. peg can be left in when the cells are in frequent use, butshould be kept out on other occasions. A useful arrangement to disconnect the cells entirelyfrom each other, and so to prevent short-circuiting, whichalways goes on more or less when a large number of cellsare connected in series, has been brought out by , of Teviot Place, Edinburgh, and is termed byhim a Cut-out. The wire from every fifth cell, instead io6 A Manual of Practical Medical Electricity of being connected to the sixth cell, is brought up to theelement board and is there fastened to a small brass piece,while from another brass piece just opposite the first onethe wire to the sixth cell passes. In the case, then, of fiftycells, there would be twenty such pieces of brass, and everygroup of five cells would be entirely disconnected from thenext group. When the cells are required, suitable plugsof brass, fitting the spaces between all the brass pieces, andfastened to a rod of ebo
Size: 1970px × 1269px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectelectro, bookyear1902