from The Century Dictionary and Cyclopedia
- n. A machine-drill; a drill worked by steam-, water-, or horse-power: distinguished from a drill worked by hand.
Sorry, no etymologies found.
I'd need a diamond edge to my axe, or better still a rock-drill to get anywhere with these blokes.
Production ground to a halt at Unisel gold mine near Welkom in the Free State on Tuesday when about 2000 workers embarked on a sympathy strike for 259 rock-drill operators fired after an illegal strike.
Despite talks and meetings with the rock-drill operators 'committee on the mine and with National Union of Mineworkers officials, the strikers refused to resume drilling and were served with dismissal notices.
A hand rock-drill, somewhat over an inch in diameter, was turned up in the lathe, cut with one-eighth-inch pitched, square threads and pointed at the lower end.
It was because he himself was away on a business journey and Falkman had neglected to take elementary precautions that the big rock-fall occurred in the tunnel, killing four men, and destroying the new Belgian rock-drill, that had cost a good hundred thousand, before it had begun to work.