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US Patent: 178,354
Improvement in Spirit Levels
Patentee:
Martin Wilcox (exact or similar names) - New Hartford, CT

USPTO Classifications:
33/385

Tool Categories:
layout tools : levels

Assignees:
None

Manufacturer:
R. & E. Mfg. Co - New York, NY
H. Chapin - Pine Meadow, CT

Witnesses:
J. S. Wiswall
O. S. Thompson

Patent Dates:
Applied: Mar. 09, 1876
Granted: Jun. 06, 1876

Patent Pictures:
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Description:
Adjustable spirit level that utilizes an inclined lug on the glass holder, inclined adjustable seat, and a set screw.

Example marked with the patent date and R. & E. Mfg. Co. NY and there appears to be a connection to the Keystone Works (aka Disston).

Another example marked EM Chapin - Pine Meadow, CT June 6, 1876. Martin Wilcox worked for Chapin and lived in Pine Meadow from 1870 to about 1911 when he died.

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