UNITED STATES PATENT OFFICE

FREDERICK A. TRAUT, OF NEW BRITAIN, CONNECTICUT

IMPROVEMENT IN COMBINED PLUMB AND LEVELS

Specification forming part of Letters Patent No. 38,252, dated April 21, 1863.

To all whom it may concern:

Be it known that I, FREDERICK A. TRAUT, of New Britain, county of Hartford, and State of Connecticut, have invented a certain new and useful Improvement in Combined Plumb and Level; and I do hereby declare that the same is described and represented in the following specification and drawings.

So as to enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation, referring to the drawings, in which the same letters indicate like parts in each of the figures.

The object of this improvement in the combined plumb and level is to simplify the mechanism, cheapen the manufacture thereof, and to produce to the public a cheaper, and at the same time a more reliable, instrument for common mechanical purposes.

In the accompanying drawings, Figure 1 shows a side view of my improvement. Fig. 2 is a sectional view cut through the line a.

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