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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]
Many other names have been used for this set, and its borders are not agreed on. Precious metals – Variously-defined group of non-radioactive metals of high economical value. Superactinides – Hypothetical series of elements 121 to 157, which includes a predicted "g-block" of the periodic table.
Set index articles on molecular formulas (2,418 P) Pages in category "Set index articles on chemistry" The following 200 pages are in this category, out of approximately 791 total.
The A. C. Gilbert Company was an American toy company, once one of the largest in the world. Gilbert originated the Erector Set, which is a construction toy similar to Meccano in the rest of the world, and made chemistry sets, microscope kits, and a line of inexpensive reflector telescopes.
Original file (1,239 × 1,752 pixels, file size: 56.24 MB, MIME type: application/pdf, 417 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
It also produced crafts plaster moulding sets Frog & Owl. [2] Thomas Salter Ltd. was founded in London in 1913, moved to Glenrothes, Fife, and closed in 1992. [3] Chemistry sets from Salter Science included a various number of chemicals, which were numbered, so that the numbers were the same across the sets. Some of the chemicals included were:
C. C-glycosyl tryptophan; C1 chemistry; Calconcarboxylic acid; Carryover effect; The central science; Charged aerosol detector; Chemical bath deposition; Chemical biology
Set (psychology), a set of expectations which shapes perception or thought; Set or sett, a badger's den; Set, a small tuber or bulb used instead of seed, especially: Potato set; Onion set; SET (gene), gene for a human protein involved in apoptosis, transcription and nucleosome assembly; Single Embryo Transfer, used in in vitro fertilization