


Methods of Quarrying and Dressing - Quarries and Beyond
G. Machines and implements used in stone working 320 (1) Drills and drilling machines 320 (2) Channeling machines 321 (3) Gadding and gadding machines 324 (4) rinding and polishing machines 326 (5) Lathes and planers 327 (6) Saws 327 (7) Sand-blast carving 329 (8) Hand implements 329 H. The weathering of building stones 331
