Its growth depended upon the machine tool, that is, the machine for making machines.
The lathe is the oldest of machine tools and exists in a greater variety of forms than any other machine tool.
Standardization, due to the machine tool, is one of the chief glories of American manufacturing.
One reason is to be found in the diminution of hand work and the growth of the machine tool.
In the machine tool industries, one-third of the interest in the plant is given to the inventor.
Curtail a machine tool, and leave an article used in house-building.
machine tool builders do not believe this, simply because they have not tried it.