14
13. Self-contained diving and underwater swimming apparatus, as follows:
(a) Closed and semi-closed circuit (rebreathing) apparatus;
(b) Specially designed components for use in the conversion of open sittua
apparatus to military use:
(c) Articles exclusively designed for military use with self-contained diving
and underwater swimming apparatus,
14. Power controlled searchlights and control units therefor, designed for
military use.
15. Specialized military training equipment:
(a) Specialized military training equipment;
(b) Components, parts, attachments, and accessories specifically designed for
such equipment.
16. Climatic conditioning chambers capable of simulating any of the following
conditions over the whole range altitudes from sea level to 75,000 fel. or above: temperature, pressure, radiation, or humidity.
17. Machinery and machine tools and apparatus specially designed or adapted for the production, testing, research into and development of any of the items specified in this Group.
GROUP M.
ATOMIC ENERGY MATERIALS AND APPLIANCES.
1. Source (fertile) and fissionable materials, including but not limited to the
following eight items:
(a) Minerals, raw and treated (including residues and tailings) which contain either uranium or thorium or any combination thereof, cxcceding 0.0! per cent by weight, as follows:
(1) Ores containing uranium including pitchbleude:
(39) Monazite and monazite sands:
(3) Orcs containing thorium including uranothorianite;
(6) Natural uranium, unwrought or wrought, including alloys and cum- pounds of natural uranium, having an uranium content exceeding. OM per cent, excepting medicinale;
(c) Uranium 233, alloys containing uranium 233 and compounds of uranium | |
233.
(d) Uranium enriched in the isotope 235, alloys containing uranium enriched
in the isotope 235, and compounds of uranium enriched in the isotop 235:
(e) Irradiated uranium containing plutonium;
(A Plutonium, alloys containing plutonium and compounds coming
plutoniung
(g) Thorium, unwrought or wrought, and alloys and compounds containing thorium, excluding alloys containing less than 1.3 per cent of thorium by weight, and except medicinals;
(k) Irradiated thorium containing uranium 233,
A
2. Deuterium and compounds, mixtures and solutions containing deuterium, including heavy water and heavy paraffins. In which the ratio of deuteriumi stools to hydrogen atoms exceeda ̈1:5,000 by number,
3. Tetrafluoroethyleac, polymerized or not; and manufactures wholly thereof.
4. Trifluorochloroethylene, polymerized or dot; and manufactures wholly
thereof.
5. Zimonium metal, alloys containing more than 50 per cent zirconium by
weight, and compounds, in which the ratio of hafnium coolent to zirconium content is less than one part to five hundred parts by weight; and manu- factures wholly thereof.
6. Nickel wire containing 95 per cent or more nickel, 0.10 mm. or less ja
diameter.
7. Woven wire mesh composed of wire containing 95 per cent or more nickel
and containing 60 or more wires per lincar centimetre.
B. Nickel powder.
9. Beryllium metal (excluding beryllium windows for medical X-ray machinesk beryl (excluding gem grade) and ores; alloys containing more than 30 per cent beryllium by weight; oxides and compounds.
10. Materials suitable for use in refractories, composed of 97 per cent or more by weight of beryllium oxide, magnesium oxide, or zirconium oxide, or composed of zirconium oxide stabilized with lime audfor magnesium oxide; and crucibles, moulds, and pouring rods composed of any one of tho foregoing
it. Fluorise.
11 Chlorine trifluoride.
13. Fluorinated hydrocarbons, as follows:
Trichlorotrifluoroethane;
Dichlorotetrafluoroethane; Monochlorodifluoromethane,
14. Equipment specifically designed for the separation of isotopes of uranium
and/or lithium.
J. Dosimeters capable of measuring in one exposure dosages above 5 roentgens scepting these designed specifically for use with medical radiation equipment.
16. lon separators, electromagnetic, including mass spectrographs and mass spectrometers, with analyzer assemblies capable of handling uranium hexa- Duoride spectrographs, of high sensitivity.
17. Positive ion sources suitable for use in mass spectrographs and masa spectro-
meters and capable of handling uranium hexafluoride (UF 6).
18. Valves, with bellows seal, wholly made of or lined with aluminium, nickel. Talloy containing 60 per cent or more nickel, either manually or auto- matically operated.
14. Indection type vacuum furnaces designed to operate at pressures lower than
0.1 mm. of mercury and at temperatures higher than 1,100°C.