WebCreator: Porter Chemical Company; Date Created: 1956; Location: Hagerstown, MD; Subject Keywords: science; Type: Educational Toys; Medium: plastic, metal, paper, cardboard; … WebNov 25, 2008 · Porter Chemical Co., Hagerstown, Md., 1950s “Modern Plastic Experiments. Outer Space Experiments” Radioactive uranium ore See Gilbert No. U-238. Carbon tetrachloride, CCl4 Nickel ammonium sulfate, Ni (NH4) 2(SO4) 2·6H2O Both are likely carcinogens, banished from chemistry sets today.

A Brief History of Chemistry Sets - The New York Times

WebHAROLD. M. PORTER, oF HAGERSTOWN, MARYLAND, ASSIGNOR. To THE PORTER CHEMICAL COMPANY, A CORPORATION OF MARYLAND. - EDUCATIONAL DEVICE. 1,350,237. To all whom it may concern: Be it known that I, HAROLD M. PoRTER, citizen Hagerstown, of the county United of States, Washington, residing State. at of Maryland, … WebThis set was created by the Porter Chemical Company in Hagerstown, MD. This set, as seen on the box was safety approved and educator and scientist tested. The item is a steel box that opens in a 3-fold manner. What would have been included in the set and others like it is instructions for various experiments, test tubes, measuring spoons ... dia halloween 2021

Porter

WebPorter Chemical Company was an American toy manufacturer that developed and produced chemistry sets aimed as educational toys for aspiring junior scientists. The company's … WebCompany Number assigned to this business is D00056986 and state of formation is Maryland. This company business address is Washington Co. Hagerstown Md 21740. Mailing address is Central Chemical Corporation 120 E Baltimore St Baltimore Md 21202-1674. You can find this business by geo coordinates: 39° 38' 30.3" N , 77° 43' 12" W. WebDescription. The Porter Chemical Company and the A. C. Gilbert Company began making chemistry laboratory kits in the early 20th century. They were originally marked as … diahanna lynn frey williams