Ad
related to: old chemistry sets dangerous materials videostudy.com has been visited by 100K+ users in the past month
Search results
Results From The WOW.Com Content Network
Gilbert cloud chamber, assembled An alternative view of kit contents. The lab contained a cloud chamber allowing the viewer to watch alpha particles traveling at 12,000 miles per second (19,000,000 m/s), a spinthariscope showing the results of radioactive disintegration on a fluorescent screen, and an electroscope measuring the radioactivity of different substances in the set.
By 1917, they sold chemistry sets, which they produced through World War II, in spite of restrictions on materials. Robert Treat Johnson, noting the number of chemistry students at Yale whose interest in the science began with a chemistry set, argued the production of chemistry sets was a "patriotic duty." [5]
"The 8 Most Wildly Irresponsible Vintage Toys" -- page 1 and page 2 at Cracked.com: Includes humorous discussions of some of A.C. Gilbert's more ill-advised products for pre-teens: A glass blowing kit (#8); a molten lead casting kit (#7); a chemistry set (#3) which included potassium permanganate, ammonium nitrate and instructions on how to ...
Chemical Agent Identification Sets (CAIS), known by several other names, were sets of glass vials or bottles that contained small amounts of chemical agents. They were employed by all branches of the United States Armed Forces from 1928-1969 for the purpose of training in detection, handling and familiarization with chemical warfare .
Porter Chemical Company was an American toy manufacturer that developed and produced chemistry sets aimed as educational toys for aspiring junior scientists. The company's Chemcraft kits were first sold at major retail by Woodward & Lothrop , and appeared soon after at other retailers in the country.
Since the kitchen is bare, the materials do the heavy design lifting. It features teal-and-black checkered flooring, a teal square tile backsplash, colored knobs on white cabinets, and a white ...
Dynamite is an explosive made of nitroglycerin, sorbents (such as powdered shells or clay), and stabilizers. [1] It was invented by the Swedish chemist and engineer Alfred Nobel in Geesthacht, Northern Germany, and was patented in 1867.
The five categories rest on strict science-set numerical thresholds, like the Saffir Simpson hurricane scale that is familiar for its Category 1 through 5 terminology, though the heat version is ...