1910s Saw Blade Filer [Restoration]

The restoration of this saw filer was the most amount of work yet! 0:00 Life-changing introduction 0:47 Disassembly 14:34 Head smash 16:09 Pouring new babbitt bearings 19:46 Brazing cast iron 20:47 Machining new brass knobs 24:16 Reassembly 36:38 Pain This tool is a saw filing and setting machine made by Black Diamond Saw & Machine Works of Natick, MA, . sometime after 1911. The original patent from 1909 can be seen here: