move bottle Q. Replace the bottle upon the end of hook R, and it will be in position for the next trip downwards. Cut the holes I and Z (Fig. 100) through the outside wall of the shaft for hand holes through which to reach bottle Q and hook R.
Figures 97, 100, and 103 show
A Simple Control for stopping the car at the different floor levels. Stick S may be a piece of broom-handle, curtain-pole, or flagstaff. Bore a hole through the bottom of the shaft, directly be- low holes C in the floors (T, Fig. 100), and slip the stick through hole T and into slots C. Then locate on one side of stick S points just below the under face of each floor, and upon the opposite side locate points just above where the back edge of the elevator will come when the car is raised to each floor level (Fig. 97). Remove the stick, and drill or bore a small hole at each point marked; then replace it, nail a small block (U, Fig. 100) across the top end to hold it in place, and drive a nail, with its head filed off, into each of the holes.
Fig. 103.—Detail of Brake and Controlling Levers.
When stick S is turned to the position shown in Fig. 97, while the car is going down, the first nail below the car will project beneath it and bring it to a stop; and if the stick is turned in the opposite direction while the elevator is going up, the
