LIST OF PLATES. 



I. THE rr.AT.iEv.ORK OF THE MACHINE, . frontlspiece. 



II. THE MUSGiES OF THE MACHINE, . tO faCe imgc 43 



III. BAD AND GOOD SEAT, ... „ 80 



IV. THE ARAB TYPE, . . . . „ 86 

 V. *' TONGS- ACROSS-A-WALL" — THE MODERN 



MILITARY SEAT, . . . „ 93 

 VI, THE EXTREME CHAIR-SEAT— THE EXTREME 



FORK-SEAT, . . . . „ 95 

 VII, THE OPEN SEAT AND HIGH PACK — THE 



CLOSE SEaT and FLAT PACK, . „ 97 



