High Frequency Apparatus Page 113

PHYSICIANS' PORTABLE APPARATUS 113 layout of the various instruments. The description of standard apparatus which follows will serve to offer a few suggestions relative to suitable arrangement. Standard Electro-Therapeutic Apparatus.-The standard apparatus now on the market has reached a high stage of development and in many cases the physician will do Vujok Fig. 1.-Portable transformer outfit designed for vacuum tube treatment work better to buy an outfit outright rather than attempt the construction unless he is exceptionally well supplied with tools and facilities for good work. The portable outfits range in price from $75.00 to $185.00 and instruments at the latter figure are arranged to operate on either alternating or direct current. With the larger types of these portable outfits, light X-ray work may be done at the pa