Standard buffer solutions for pH-meter calibration. pH-meters measure the voltage. developed between two electrodes. immersed in the sample and. compare that value to a calibration. derived from the same electrode. pair and known standards.
Collinsville, Illinois. Built in 1949 in this former catsup company town, the World's Largest Catsup Bottle celebrated its 65th anniversary in 2014. It's the water tower at the old Brooks Catsup Plant and headquarters.
World's BIGGEST CAT! The LIGER (a LION TIGER cross SUPER-BREED!). Annotation text from video: This liger, named Hercules, is a cross between a male lion and a female tiger. He stands over ten feet tall on his hind legs, and at over 410 kg (904lb) is recognized as the largest living feline on earth.