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SCHEDULE.
GROUP A.
METAL WORKING MACHINERY.
The following, including spare parts and components therefor--
1. Vertical bering and turning mills, automatic cycle types.
2. Jig boring machines of all types.
3. Grinding machines of all types,
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4. Deep hole drilling machines in which the coolant passes through the drill,
and hollow drills for such machiocs.
5. Right angle (T) lathes (in which the bed is at right angles to the spindi 6. Spinning lathes.
7. Spar millers,
8. Planing machines, planer milling machines, and combination planes ul planer milling machines with capacity for work pieces 72 inches (1.80 m) wide and over, or 20 feet (6,0 m) long and over.
9. Forging hammers, as follows:
(a) Having a falling weight exceeding 10 tons,
(6) Steam, air or mechanical hammers except counter-blow hammen
rated sizes exceeding 10 tons,
(c) Counter-blow hammers of rated sizes of 25,000 kilogram/meters or
English equivalent or more.
(Horizontal impact hammers, hydraulically actuated of 10,000 foot pounds
Or more,
10. Presses, mechanical or bydraulic, with rated pressure of over 1,000 tons.
11. Machines and equipment specially designed for making or measuring pl
turbine blades, including but not limited to the following:
(a) Blade belt grinding machines:
(b) Blade edge radiusing machines:
(c) Blude polishing machines;
(d) Blade acrofoil milling and/or grinding machines;
(c) Blade tillet radiusing and/or platform forming machines or equipment.
✪ Blade noot milling machines;
(g) Blade blank pre-forming machines;
(4) Blade rolling machines;
( Blade acrofoil shaping machines:
Blade root grinding machines;
(k) Blude acrofoil scribing equipment;
(7) Blade aerofoil and/or rool sulomatic measuring equipment.
12 Machinery for use in the manufacture of aircraft, as follows:
() Machinery specially designed for the working or forming of aircraft
sheet, plate or extrusion;
(b) Machinery specially designed for the milling of aircraft skin.
13. Machines specially designed for the manufacture of jet engines, the
following:
(0) Jet cogins compressor case boring machines;
(8) Jel engine compressor and turbine dise turning machines;
(c) Jel engine rotor grinders;
(d) Jet engine blade and disc external surface broaching tools.
14. Gear making machinery, all machinery designed for the manufacture and/or
finishing of machine cot gears.
15. Prodling and duplicating machinery, as follows:
(a) Die-sinking machines;
(b) Profiling and duplicating machines (planing, shaping, milling or grinding), 16 Metal rolling mills all types.
11. Electronic closed loop feed back controls for machine tools (cutting and forming) in which a "continuous feed back of information from the work pices or tool or work piece carrier or tool holder itself results in con- tinuous correction of the control commands; and machine tools incorporating such controls,
GROUP P.
CHEMICAL AND METALLURGICAL PLANT, FURNACES. PUMPS, VALVES, ETC.
The following, including spare parts and components therefor
L Equipment specially designed for the conversion of nitrogen tetroxide to nitric acid of 98 per cent or higher concentration, or for the concentration of nitrogen tetroxide and/or nitric oxides or mixtures thereof.
1 Centrifugal counter current solvent extractors.
1. Gas liquifying equipment,
4 Equipment for production and/or concentration of deuterium oxide.
5 Equipment for the production of military explosives, as follows:
(4) Complete installations.
(b) Dehydration presses.
(c) Extrusion presses for the extrusion of small arms, cappon and rocket
propellants
(4) Cutting machines for the sizing of extruded propellants.
(e) Sweetie barrels (tumblers) 6 feet and over in diameter and having over
500 pounds product capacity.
Nitralors: continuous types.
& Plants for the production of titanium and zirconium metal and parts specially designed therefor, and electric furnaces specially designed (or the recovery of titanium and zirconium from scrap,
7. Pumps (except vacuum pumps) and pipes, valves, and cocks including pressure regulators therefor, delivering liquids, separately or in combination with solids and/or gases and having any of the following characteristics: (a) Designed to move molten metals by electromagnetic forces;
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