348 PROCEEDINGS OF THE SECTIONS, 
On the Rational Construction of Chairs and Desks, — 
By Reuter E. Roru, M.R.C.S8., England. a 
[Read before the Sanitary Section of the Royal Society of N.S. W., 
14 September, 1886. | 
Tue following is a résumé of the paper :—‘ Dr. Roth pointed out 
that the spine consisted of a jointed column made up of individual 
bones which we called vertebre. In early life this column w 
third being convex forward and the second and fourth back. On 
the curves of the spine, especially the dorsal one, would depend 
the healthy shape of the chest cavity. The more the dorsal region 
was bent the more were the ribs depressed, the capacity of the 
There seemed also no reason why music-stools should possess nO 
back. As the player was without such a back-support he was 
compelled to support the body’s weight with the hands, and 
Gonsequently could not be expected to acquire a delicate touch. 
The height of the seat should equal the distance from the bend of 
