Delapena Honing Machines Data Pack Manual for "Speedhone", Manual Versions, 276 Beam Honers, etc. plus a Catalogue Collection.
Delapena "Speedhone" Precision Honing Machines, manual versions, 275 Beam type, etc. Data Pack including: General Operating Manual with a data manual giving Recommended Honing Speeds and Honing Stone Pressures together with a large and useful collection (60 pages) of sales and Technical Specification Catalogues covering the types: "Speedhone" Junior; VHM/1, VHM1D, VHM/3C.
Heald 271, 272, 274, 275 & 276 Internal Grinders Manual
HEALD (Cincinnati) 271 and 272 Plain and Toolroom Models and Heald 274 Universal and
Heald 275 and 276 Extended Bridge Internal Grinding Machines: Instruction and
Maintenance Manual with Parts as Sectional Drawings and Hydraulic Circuit Schematics.