A technique rarely taught in schools, this video demonstrates how to create cylinder block honing heads for large piston ...

The Woodbury Granite Co. of Hardwick operated a polishing lathe that could accommodate a stone 25-feet long and 60-inches in diameter. By the mid 1900s, the grinding and polishing blocks had been ...

This article was originally published with the title “ Polishing and Buffing Lathe ” in Scientific American Magazine Vol. 70 No. 18 (May 1894), p. 276 doi:10.1038 ...