"Roentgen" induction coils and other X-ray apparatus (1904)
James G. Biddle Company · Philadelphia : James G. Biddle · leaf 21
al storage battery weigh each only about 40 lbs. Both the cases of the coil are providedLeather Carrying ... . . ,, , . , with large leather carrying straps, which facilitate the handling of the apparatus; while the battery cases themselves have convenient handles. The heavy hard rubber posts which… … Figure 8. As compared with the cheaper grades ofValuable Features. , . , .. ,, n n , , . portable coils the Roentgen Portable nine-inch Coil possesses many valuable features. It has an AdjustableMica Condenser. Needless to say, the mica condenser is theaccepted standard in induction coil…
X-rays · Induction coils · Radiography
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
