198* 



TRANSACTIONS OF THE 



The machine is entirely self-acting, excepting when the drop is 

 made to fall; when the operator places his foot on the treadle, 

 and it strikes one blow or more, as he desires. Its construction 

 is such that it is impossible for it to rebound and strike the second 

 blow, thus spoiling the work. It is adapted to the heaviest as 

 well as the finest ornamental work. When it is not convenient 

 to place the machine over the drop, as in the cut, it may be placed 

 to one side, when it is only necessary to alter the positi )n of the 

 crank G, and pass the strap F over a pulley. 



[./^ diploma awarded. 



Mortar Mixing Machine. 

 Hunt & Sands, Peekskill, N. Y. This is a very simple machine^ 

 The lime and sand in proper proportions are spread upon path 

 A, the faucet of the water tank, K, is opened, and the machine 

 set in motion by the horse moving round the track. The door., 

 F, of the drag is then kept open until the mortar is completely 

 mixed. The runners, D, of the drag gather up the lime and 



