Alcohol testers

Details Alcohol testers Alcohol testers

1976-02-20

1978-03-07

Queisser, Richard C.

Measuring and testing

Specific gravity or density of liquid or solid

Freely vertical reciprocable float with carried indicium

G01N 910

Patent

active

040772659

ABSTRACT:
The present invention relates to a modification for circulating systems utilized with most alcohol dampening systems on lithographic printing presses and provides a fountain solution testing reservoir which maintains a constant solution level, constantly samples the circulating fountain solution and with the aid of a specific gravity hydrometer and appropriate thermometer gives a continuous, visible, and accurate specific gravity reading of the solution.

REFERENCES:
patent: 1937755 (1933-12-01), Ginger et al.
patent: 2384664 (1945-09-01), Westlake
patent: 3485257 (1969-12-01), Gegenheimer et al.
patent: 3605782 (1971-09-01), Hollis et al.

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