Nautical Single Base for Orion

Nautical Single Base for Orion
Dims: 4" x 9-1/2". Wt. 1 lb. 2 oz.
Nautical Single Base for Orion Related Items:
Dial-type thermometer has both F and C scales, with markings every 2 from -8 to 130F. Pre-adjusted in temperature-controlled environment. Wt. 3 lbs. 3 oz.
Combination quartz and tide clock movement which averages the Atlantic lunar tide cycle. The tide sector is calibrated for the east coast of the United States. Uses a AA battery. (Note: The clock will work for other tidal bodies of water but will need to be re-set more frequently.) Dial: 4". Base: 5-1/2". Depth: 2-7/8". Wt. 3 lbs. 3 oz.
Temperature compensated, aneroid movement. Fully adjustable. Inch and millibar scales. Our standard barometer movements are calibrated for altitudes to 3,500' above sea level. Movements for altitudes from 3,500' to 7,000' are available by special order for an additional charge. Wt. 3 lbs. 3 oz.
