We offers a range of Float & Board Type Level Indicators are designed for application to Process or Storage Tanks where a readout to within 1" of Liquid Level is satisfactory and provides the additional convenience of being able to read out at 100 or 200 ft. away from the tank. There are used for accurate liquid level gauging of Fixed or Floating roof Tanks storing Oil, Water, Solvents, and other Products. The units are designed and constructed to permit simple easy installation on "Tanks in Services" or "Tanks out of Services" and to Provide a Maximum of Trouble Free Services . The Indicators are Specially recommended for Application Requiring a Low Cost, Low Maintenance Method for liquid Level Ganging. The Indicators are Float Operated with a steel target that runs vertically up and down, Registering tank contents on a calibrated Board that is mount, outside of the tank for quick convenient readings.