Viewing instrument for chimney

Details Viewing instrument for chimney Viewing instrument for chimney

1985-06-24

1986-09-23

Green, Randall L.

Stoves and furnaces

Stove doors and windows

Transparent panel

126120, 431 13, F24D 1504

Patent

active

046129081

ABSTRACT:
An instrument for viewing the vent of a chimney while the chimney is working that includes a quartz rod that is mounted in the chimney above the flue entrance thereto. The rod is adapted to transmit light travelling down the chimney to a viewing station outside the chimney wall to provide valuable visual information concerning the condition of the chimney and the burning efficiency of the fire.

REFERENCES:
patent: 1614466 (1927-01-01), Gearon
patent: 3151612 (1964-10-01), Keeling, Sr. et al.

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