I have the sling psychrometer and the mercurial barometer. I removed the mercury 20 years ago and turned it over to a chemistry professor for disposal.
Al Washington, Lexington, Ga., NWS Coop station=LXTG1, Fischer Porter, SRG, MMTS.
CoCoRaHS=GA-OG-1. CWOP=CW2074. Davis VP2+ WLIP 5.9.2, VP(original) serial, VWS v15.00 p02. ImageSalsa, Win7 & Win8 all-in-one.