Nautical 8 1/2" Porthole W/Clock

Nautical 8 1/2" Porthole W/Clock
Clocks - 8 1/2" Porthole W/Clock
Nautical 8 1/2" Porthole W/Clock Related Items:
Aneroid movement. Fully adjustable barometer movement with inch and millibar scales. Barometer movements are calibrated for altitudes to 1,500' above sea level. Thermometer and hygrometer are pre-adjusted in a temperature-controlled environment. Dial: 3-1/2". Base: 4-1/2". Depth: 1-1/4". Wt. 5.6 oz.
The workings of the aneroid barometer movement are visible, and the antique brass case that houses it is hinged so that the movement is accessible from the front. Dial: 5-1/2". Base: 8". Depth: 3-1/2". Wt. 3 lbs. 8 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.
