تفاصيل

W-339

Pocket Forecaster

3 plastic (?) disks held by central pin. Instruction sheet. Upon setting the barometric pressure and wind direction, device gives 3 letters (for falling, steady, rising barometer) whose interpretation is given on the reverse.

Pat. No. 6276/15 / Negrelli & Zambra / London

plastic, paper

England

	Imperial(in)		Metric(cm)
Height			0.4
Width			5.3
Depth			0
Diameter
Circumference

	Imperial(in)		Metric(cm)
Height
Width
Depth
Diameter