Central Scientific Company. (1922). Laboratory apparatus for chemical, industrial, metallurgical, bacteriological, biological, board of health, hospital and soil testing laboratories. Central Scientific Co..
Dyfyniad Arddull ChicagoCentral Scientific Company. Laboratory Apparatus for Chemical, Industrial, Metallurgical, Bacteriological, Biological, Board of Health, Hospital and Soil Testing Laboratories. Chicago: Central Scientific Co., 1922.
Dyfyniad MLACentral Scientific Company. Laboratory Apparatus for Chemical, Industrial, Metallurgical, Bacteriological, Biological, Board of Health, Hospital and Soil Testing Laboratories. Central Scientific Co., 1922.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.