RT Journal T1 Orthopedic appliances: The principles and practice of brace construction for the use of orthopedic surgeons and bracemakers JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1939 FD July 29 VO 113 IS 5 SP 447 OP 447 DO 10.1001/jama.1939.02800300077039 UL http://dx.doi.org/10.1001/jama.1939.02800300077039 AB There is no question that this book is timely. There has been an urgent need for a guide to the technic and manufacture of braces as well as to the plaster of paris technic which is necessary in their construction. The author has covered a vast ground and has covered it creditably. However, the most valuable part of the book is the chapter dealing with the plaster of paris and the brace model technic. The principle of construction is particularly well brought out in the description of body corsets, which goes into minute details. What one misses in the book is descriptions of many practical, excellent orthopedic devices used in this country, for instance Funsten's pronation splint for pronation contracture and the spring back brace. On the other hand, the description of the different hinges and particularly the different types of knee joint locks, with mechanical construction drawings, is very