PM-84 BAROMETER ANEROID DEMONSTRATION

Dial 100 mm. with dual scale range 960-1070 mb x 2 mb and 28-32
inch x 0.1 inch, marked in black on golden frame. Marked Stormy,
Rain, Change, Fair and Dry for demonstration to students; movement
mounted in polished hardwood or plastic frame of 170 mm. diameter.
Dial covered with a glass for easy viewing; with lug for rear mounting