Walsh, David · London : Baillière, Tindall and Cox · leaf 23
pen at both ends; a porous vessel of 2 18 THE RONTGEN RA YS IN MEDICAL WORK a litre capacity, filled with nitric acid, fitting freely inside thezinc cylinder ; and a sheet of platinum placed inside the porousvessel. A binding screw must be attached to the zinc, and oneto the platinum. If platinum… … Fig. 1.—Grove Cell. its current is not quite so trustworthy. It consists of a vesselfilled with seven-eighths of saturated solution of bichromate ofpotash and one-eighth sulphuric acid. In this fluid are immerseda plate of zinc and one or two plates of carbon. There shouldbe some means of lifting…
X-rays · Radiography
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
