1570.
1571.
28
(1) With an open circuit sensitivity greater than
0.12 Volt
Ampere X Kilogauss
(n) Specially designed parts, components, sub-assemblies and test equipment (including adapters, couplers, etc.) for the above.
Thermoelectric materials and devices as follows--
(a) Thermoelectric materials with a maximum product of the figure of merit (Z) and the temperature (T in "K) in exces of 0.75;
(b) Junctions and combinations of junctions using any of the
materials in sub-item (a);
(c) Heat absorbing and/or electrical power generating devices
containing any of the junctions in sub-item (6);
(d) Other power generating devices which generate in excess of 10 walla per pound or of 300 watts per cubic foot of the devices' basic thermoelectric components;
(e) Specialized parts, components and sub-assemblies, not else
where specified, for the above devices.
Magnetometers and specialized parts therefor, as follows- (a) Fluxgate;
(b) Electron beam sensing;
(c) Paramagnetic;
(d) Nucleonic;
(4) Hall effect,
1572.
Recording and/or reproducing equipment, specified as follow-
not elsewhere
1576.
1579.
(ơ) Thase using magnetic techniques (except those specifically
designed for voice or music)
(b) Those using electrothermal and/or electrostatic recording
techniques employing electron beams, operating in a vacuu and/or employing other means to provide a charge pattern directly on the recording surface; specialized equipment for the read-out of material so recorded;
(c) Specialized parts, components and recording media for use
with equipment described in sub-items (a) and (b),
Centrifugal testing apparatus or equipment possessing any of the following characteristics—
(a) Driven by a motor or motors having a total rated horse-
power greater than 400 horse-power;
(b) Capable of carrying a payload of 250 pounds or more!
(c) Capable of exerting a centrifugal acceleration of 8 or more
"g" on a payload of 200 pounds or more.
Ion microscopes having a resolving power better than 10 Angstrom uniLS,
1584.
1585.
29
Oscilloscopes and specialized parts therefor, as follows-—-—-
(4) Cathode ray oscilloscopes possessing any of the following
characteristics-
(1) An amplifier bandwidth greater than 30 megacycles per second (defined as the band of frequencies over which the deflection on the cathode ray tube does not fall below 70,7% of that at maximum point measured with a constant input voltage to the amplifier);
(i) A time base shorter than 30 nanoseconds per centi- metre including calibrated magnided sweep factor;
(iii) Employing accelerating potentials in excess of 10 kilovolts:
(iv) Containing or designed for the use of a cathode ray tube with 3 or more electron guns;
(V) Containing or designed for the use of
(1) cathode ray memory tubes,
(2) cathode ray tubes with travelling wave or dis- tributed detection structure or incorporating other techniques to minimize mismatch of fast phenomena signals to the deflection structure;
(vi) Ruggedized to meer a military specification;
(vii) Rated for operation over an ambient temperature range of fram below -25°C. to above +55°C:
(viii) Incorporating a calibrated variable sweep delay with an incremental accuracy (measured at the 90% delay point) of better than 3%;
(ix) A rise time of less than 12 nanoseconds;
(b) Specialized parts and accessories as follows: oscilloscope plug-in units and external amplifiers and preamplifiers which have a bandwidth greater than that defined in sub- item (a)(0);
(c) Electronic devices for stroboscopic analysis of a signal Ge sampling devices), whether sub-assemblies or separate units, designed to be used in conjunction with an oscilloscope to permit the analysis of recurring phenomena, which increase The capabilities of an oscilloscope to permit measurements within the limits of equipment embargoed under sub-item (a))) and/or to permit the achieving in an oscilloscope of a time base shorter than 30 nanoseconds per centimetre,
Photographic equipment, as follows-
(a) High-speed cinema recording cameras employing-
G) Elm widths 35 millimetres or narrower and recording at rates exceeding 3.000 frames per second in the case of equipment using as the lighting source a steady light flow and 10,000 frames per second in the case of equipment using as the lighting source flash equipment connected to the unwinding system;
(1) Alm widths greater than 35 millimetres and recording at rates exceeding 64 frames per second;
(5) Other high-speed cameras capable of recording at rates in
excess of 250,000 frames per second;