The treatment of lateral curvature of the spine : with appendix giving an analysis of 1000 consecutive cases treated by posture and exercise exclusively, without mechanical supports . Explanation.—By the application of a-key to A and B, the desk and seat may beraised or lowered to any desired height. Desk top slides horizontally. Writing slope at 15°, reading at 40°. book (see fig. 16). For pianoforte playing, the samerules apply, the ordinary music-stool should be discarded,and a high-backed chair employed, which will also come Fig. 16.

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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherlondonlewis, bookye