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4,519 results
  1. NLM Digital Collections - Dental metallurgy : a manual for the use of dental students 
    Publication: Philadelphia : S.S. White Dental Mfg. Co., 1882
    ... beyond a certain limit, past which platinum or copper may be carried with safety, gold would not possess sufficient tenacity to overcome the resistant force to which it would be exposed in passing through the ... copper, platinum, palladium, lead, zinc, tin, and cadmium. Crystalline ...
  2. ... is possible, with great care to use with safety copper vessels for culinary purposes, yet as that care ...
  3. NLM Digital Collections - The application of the electric light current in electro-therapeusis 
    Publication: [Brooklyn?] : [publisher not identified], [1892?]
    ... These fuses, which consist of thin lead or copper wire, act as safety valves, since they melt or “blow out” and ...
  4. NLM Digital Collections - Q3D(R1) elemental impurities 
    Publication: Silver Spring, MD : Center for Drug Evaluation and Research, March 2020
    ... 1 = 3400 µg/day PDE – Parenteral Exposure The safety review for copper was unable to identify any significant assessments upon ... Fundam Appl Toxicol, 21:461-475. IPCS, 1998, Copper, Environmental Health Criteria ... Safety, World Health Organization, Geneva. Wapnir RA, 1998, Copper ...
  5. ... Steam Laboratory at Apothecaries's Hall. Fig. 1. A copper boiler with a safety-valve, float-stone, and other appurtenan- ces of the steam-engine boiler. 2. The steam-pipe, which entering the laboratory, ... are of block-tin and copper, with an outer casing of cast-iron, there ...
  6. ... er. [From the same.] A strong iron or copper kettle, with a safety-valve, for subjecting bodies to vapor at a ...
  7. ... ter. [From the same.] A strong iron or copper kettle, with a safety-valve, for subjecting bodies to vapor at a ...
  8. ... STEERE,NORMAN V. Does sodium azide waste enter copper or lead plumbing in your laboratory? Safety Newsletter, Hosp Health Care Sec No.2: 1- ...
  9. NLM Digital Collections - Industrial hygiene problems in Bolivia, Peru, and Chile 
    Publication: Washington, D.C. : Federal Security Agency, Public Health Service, 1948
    ... smelter, and repair shop; and the third, a copper mine and smelter. The first company held safety classes for workers; the other two had shop ... mine and smelter, and in establishments of another copper company. The lack ... to the safety of Chilean workers is dramatically reflected in accident ...
  10. ... a cer- tain limit, past which platinum or copper may be carried with safety, gold would not possess sufficient tenacity to overcome ... in use. The boiler is hand-made from copper rolled expressly for this form of ... which carries the safety-valve, blow-off, gas-regulator, or steam-gauge ( ...
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