Geometrical instruments – Gauge – Circular size
Patent
1997-04-10
1998-09-22
Fulton, Christopher W.
Geometrical instruments
Gauge
Circular size
335553, 335554, 336791, G01B 338, G01B 310
Patent
active
058096604
ABSTRACT:
A tree-trunk-diameter gauge has an adjustment which enables, by a simple multiplication factor of the scale indication, the use of the gauge for a range of larger diameter trees in addition to a range of smaller diameter trees. The gauge can be mounted by holes in the gauge body and an elastic band or by a hook and loop fastener to the back of the hand of the user.
REFERENCES:
patent: 911729 (1909-02-01), Jones
patent: 1385139 (1921-07-01), MacDougal
patent: 5167073 (1992-12-01), Stein
Bitterlich Walter
Hesske Benno
Ruthner Gerlinde
Dubno Herbert
Feinmechanische Optische Betriebsgesellschaft mbH
Fulton Christopher W.
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