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Description: |
| Sou. Vaughan - patent attorney
My invention relates to improvements in a combination tool of general mechanical use as a lever, plumb, inclinometer, protractor, bevel, depth gage, centering square, etc., as disclosed in Letters Patent' of the United States of America, No. 968,679, granted to me on the 30th day of August, 1910; and the object of my improvement is to add to the range of usefulness of the invention covered by said patent the features of a hook-rule, a rule with thumb slide, a slide caliper rule, a scratch gage, and a universal surface gage, having thereon graduations to indicate the different positions at which the parts may be set. |
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