Tornado early warning device

Details Tornado early warning device Tornado early warning device

1985-07-12

1986-12-30

Frankfort, Charles

Signals and indicators

Alarms

Fluid-pressure variation

116112, 73170R, G01L 1912

Patent

active

046320520

ABSTRACT:
A tornado warning device which emits a warning sound when air escapes the said device at a pre-determined rate, with said rate being that of the loss of air pressure in the path of a tornado.

REFERENCES:
patent: 2723388 (1955-11-01), Jacobs
patent: 3717861 (1973-02-01), Wright
patent: 4215646 (1980-08-01), Williams
patent: 4249473 (1981-02-01), Pasternack

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