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Page 682 of 698
Shelfmark
Maker
Cambridge Instrument Company Lmited
Title
Cambridge Gas Analysers C. Final Measuring & Control Group
Description
Pictures and short descriptions of the technical specifications of instruments.
Shelfmark
Maker
Griffin & George Ltd.
Title
Instructions: Griffin “J” apparatus, L45-470, L45-475 [facsimile]
Description
Information is set out under these headings:-
1. Components;
2. Assembly;
3. Theory;
4. Experimental procedure - mechanical method;
5. Corrections for cooling losses;
6. Electrical method;
Accessories for L45-470-475
Shelfmark
Maker
Headland Engineering Developments Ltd.
Title
Hygrophil
Description
Presented as a measuring instrument for the determination of the relative air moisture content within a matter of seconds, detailed information follows under these headings:-
General;
Construction;
Operation;
Advantages;
Uses;
Technical data
Shelfmark
Maker
Cambridge Instrument Company; Limited
Title
Cambridge Electronic Recorder
Description
Pictures and short descriptions of the technical specifications of instruments.
Shelfmark
Maker
Megaw; E.C.S.
Title
Magnetron valves for ultra-short wavelengths
Description
The article begins by considering oscillations of ultra-short wavelength, and the inherent limitations of the familiar triode circuits in producing, amplifying and detecting such oscillations.
It goes on to introduce a valve which suffers less from these limitations since the electron paths are modified by the presence of a constant magnetic field.
Information on this device is presented under these headings:-
The use of a magnetic field in valves for generating ultra-short
wave oscillations;
Negative resistance or “Dynatron” oscillations;
Electron resonance or “electronic” oscillations;
The “intermediate” wavelength range: Behaviour of
magnetron valves in the intermediate range;
Operating characteristics of magnetron valves;
Field magnets;
Shelfmark
Maker
Cambridge Instrument Company
Title
Cambridge Vibration Galvanometers by the Cambridge Instrument Company
Description
Item of sales literature bound within black hardback volume: ‘CAMBRIDGE INSTRUMENT CO. CATALOGUES 227-433’
Shelfmark
Maker
Grant Instruments (Developments) Limited
Title
Grant miniature temperature recorder
Description
The instruments featured in this catalog are as follows:-
Grant Miniature temperature recorder;
Grant Miniature temperature recorder Model D;
Grant Thermistor thermometer Model B;
Grant Thermistor thermometer Model S
Probes for Grant thermometers and recorders;
Grant Thermistor difference thermometers and recorders
Model J [on typed sheet];
Grant Thermistor psychrometer Model H [on typed sheet];
All the instruments presented on printed sheets are illustrated. Information is given under these headings:-
Description;
Operation;
Ranges;
Probes;
Maintenance;
Price list
Shelfmark
Maker
Hoskins Manufacturing Co.
Title
Hoskins pyrometers
Description
The booklet shows a range of Hoskins instruments, each with a paragraph of information, and many with illustrations. The instruments featured are:-
Hoskins-Chromel thermo-couples;
Make your own thermo-couples;
High and low resistance couples;
Hoskins pyrometers;
Hoskins high resistance meters;
Hoskins wall-type pyrometer: Type HE - High resistance;
Hoskins automatic temperature regulator;
Hoskins portable pyrometer: Type HA - High resistance;
Hoskins recording pyrometer;
Charts for recording pyrometers;
Hoskins wall pyrometer: Type PB - Low resistance;
Hoskins portable pyrometer: Type PA - Low resistance;
Low temperature pyrometers;
Protection tubes;
Hoskins Chromel Tubes;
Control of cold-end temperature;
Pyrometer switches and cabinets;
Your pyrometer requirements
Shelfmark
Maker
Middleton Instruments
Title
Solar radiation measuring equipment
Description
These instruments are designed to measure different aspects of solar radiation. They are said to be well-designed, robust, simple to use and maintain, and ideal for applications in meteorology, climatology, agriculture, forestry, botany, horticulture, zoology, hydrology, building research and some aspects of engineering.
Detailed information is presented under these headings:-
Nett pyrradiometer;
Miniature model;
Accessories;
Solarimeter;
Solari-albedometer;
Albedometer
Shelfmark
Maker
Solartron Electronic Group Ltd.
Title
Solartron integrating digital voltmeter LM 1420.2 data sheet
Description
The integrating digital voltmeter is described as an instrument of outstanding performance, making it equally suited for laboratory, or production line measurement; or at the centre of a complete digital data logging system.
Detailed information on the various models is set out under these headings:-
Digital Voltmeter LM 1420.2:
Principles of operation;
Mechanical features;
Measurement in the presence of noise;
Print-out;
LM 1420.2BA; LM 1420.2BM:
A.C. Measurement;
Specification;
Accessories
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