Virginia Tech, Extension Service2019-06-052019-06-051946-09-17http://hdl.handle.net/10919/89788Close-up of Class A pan modified to give recorder readings. Water temperature recorder at right. Tube located one-half inch below surface of water.positive, 4 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10EvaporationIrrigationSoil and Water ConservationApplied ScienceAgricultureAgricultural EngineeringVirginia Extension - Project 10EvaporationIrrigationSoil and Water ConservationPhotographBiological Systems Engineering, Virginia Tech