Webing the success of the Chemcraft kits marketed by the Porter Chemical Company. (Gilbert was known for the Erector con-struction sets; I had one of those, too.) Harold Porter, in part-nership his brother John, began manufacturing chemical kits in Hagerstown, MD, in 1916. Their first kits cost $0.75 for the smaller set and $1 for the larger. 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 …

1946 Chemcraft Chemistry Set & Accessories Catalog

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. 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, … devanti commercial food warmer

Rare Vintage 1950 No.605 Porter Chemcraft Chemistry Set

WebThe Porter Chemical Company in Hagerstown, Maryland, marketed science kits to children for many years during the 20th Century. They introduced several generations of students (myself included) to the wonders of chemistry, mineralogy, and other subjects. http://www.porterandco.com/ WebFOR SALE: PORTER CHEMICAL CHEMISTRY LAB NO. 605 These classic chemistry outfits were originally manufactured and sold by the Porter Chemical Company in Hagerstown, Maryland and,after 1961, by the Lion devantier family tree