. Illustrated catalogue and general description of improved machine tools for working metal . e machine to drill holes in almost anyconceivable position within the space covered by its limits of travel. This machine is driven by a verticalshaft passing through the centre of thecolumn, carrying on its upper end, pul-ley or bevel gears, as may be requiredby the location. The column, 15 diame-ter, is mounted on a table 6 feet indiameter and 30 high, convenient forholding w^ork. The operating cranksand hand wheels are convenientlygrouped for easy manipulation and aclutch for stopping and starting
. Illustrated catalogue and general description of improved machine tools for working metal . e machine to drill holes in almost anyconceivable position within the space covered by its limits of travel. This machine is driven by a verticalshaft passing through the centre of thecolumn, carrying on its upper end, pul-ley or bevel gears, as may be requiredby the location. The column, 15 diame-ter, is mounted on a table 6 feet indiameter and 30 high, convenient forholding w^ork. The operating cranksand hand wheels are convenientlygrouped for easy manipulation and aclutch for stopping and starting is ar-ranged at the base of the column. The circular table is provided witha door, and forms a convenient closetfor tools. The cone-pullejs operating the spindle are carried on one sideof the radial arm, within easy reach ofthe operator. The cone has four stepsfor 2^ belt, and back-gear has a ratioof nine to one. Made with or without power arm is adjustable horizontally byhand, but is raised or lowered by poweror by hand. Extreme radius of drillfrom centre of column is 8 T=^
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Keywords: ., bookcentury1800, bookdecade1890, bookidillu, booksubjectmachinery
