Improvements in and relating to protective systems for electric cables
GB474698A
Improvements in percussive rock drills
GB465770A
Improvements in connection with the supply of water in percussive rock drilling machines
GB401892A
Improvements in hammer rock drills
GB351707A
Lubricating device for the lubrication of fluid-pressure operated tools, such as rock drills, pneumatic hand drills, or the like
GB346217A
Improvements in rock drill shanks, steels or the like
GB338792A
Improvements in rock drills
GB319906A
Improved apparatus for playing a race game
GB324412A
Improvements in rock drills
GB320907A
Improvements in rock drills
GB274978A
Improvements in or relating to the manufacture of hollow metal rods, bars and the like
GB251686A
Improvements in hammer rock drills
GB236316A
Improvements in or relating to electric accumulators
GB230926A
Improvements in hammer piston drills
DE441866C
Electric lamp
GB208777A
Improvements in and relating to hollow steel rods and bars
GB202027A
Improvements in and relating to electric lamps suitable for use in mines and other places
GB175757A
An improved tool for binding or tightening wire or wire clips on rubber hose or other flexible tubing for securing same on the spigot end of a hose union or other connection
