Ingersoll rock drill (Rankin Kennedy, Modern Engines, Vol VI)
Summary
Ingersoll rock drill (Rankin Kennedy, Modern Engines, Vol VI).jpg
Tags
rock drills
scans from rankin kennedy modern engines vol vi 1912
scans from rankin kennedy modern engines vol vi 1912 undescribed
Date
1905
Source
Wikimedia Commons
Link
Copyright info
public domain