Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 572
Fig. 4,687.—Protologists special set. It contains hollow rectal electrode, fistula electrode,rectal stricture set; hydro-electric rectal tube and a sponger pad electrode. … ric 4,688.—Mcintosh cautery illuminator set comprising a list of attachments for electro-cautery and lamp diagnoses. It is suitable to be employed in connection with a trans-former, converter or wall plate with cautery. X-RA YS 3,227 CHAPTER LXXXVIIIX-RAYS These rays, discovered by Roentgen were…
Electrical engineering
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