TOOLS AND METHODS OF WORK 



2,7 



B. 



Fig. 23. — Hot-knifing and ringing slides. A. Hot-knifing. B. Putting on the 



first cement ring. 



Fig. 24. — Turntable for ringing ovals, run by clockwork, i. Guiding pointer, under which 

 the brush is held when ringing. 2. Governor plates of clock. 3. Decentralising 

 motion. 4. Stop-catch. 



