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Page 695 of 698
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Maker
Maud Antoinette Duthoit
Title
No. 7264 A.D. 1914: Improvements in or relating to Orreries, Telluria and the like
Description
Patent record, including provisional and complete specification. Heading: ‘No. 7264’, Stamp of Her Majesty’s Government, ‘A.D. 1914’.
‘Date of application, 23rd March, 1914.
Complete specification left, 23rd Sept, 1914 -- Accepted, 18th Mar, 1915.’
Provisional specification: Declaration by Maud Antoinette Duthoit concerning the purpose and feature of the invention.
‘The object of the present invention is the construction of an orrery and tellurion or the like which, while suited for individual use or for class instruction, and correctly planned from a scientific standpoint, is nevertheless simple, cheap, compact and readily portable’.
The orrery or tellurium is attached to a removable pillar forming the centre about which the earth turns, which is designed to project upwards from an astronomical chart.
A complete specification gives more details of the instrument.
A fold-out illustration of the instrument is provided, dimensions 330 x 297 mm.
The Chartered Patent Agents submitting the application are: Boult, Wade & Tennant, 111 & 112, Hatton Garden, London EC.
Printed for his Majesty’s Stationery Office by Love & Malcomson, Ltd. - 1915
Shelfmark
Maker
Yellow Springs Instrument Company (YSI)
Title
YSI precision thermistors YSI thermilinear components
Description
The four sides of the folder containing thirteen loose sheets are devoted to introducing the company, giving an overview of the instruments, and suggesting their typical applications and versatility.
The inside sheets cover these models:-
Thermilinear component range -55 to +85 degrees C;
YSI precision thermistors Part Nos.:-
44001 and 44002;
44003 and 44005;
44006 and 44008;
44015 and 44101-44115;
44030 and 44031-32;
44033 and 44004;
YSI Thermilinear components;
YSI Thermilinear probes and systems
Each of the sheets uses graphs/ tables/ technical sketches/ illustrations, and specification in detail to describe each instrument.
A one-sided sheet listing prices of YSI precision thermistors is loose inside the folder.
Shelfmark
Maker
Yellow Springs Instrument Company (YSI)
Title
Short form catalog
Description
All the instruments in this catalogue are described in detail: many of them outline materials used, and suitable applications. All of them have specifications, and model numbers.
The items featured are as follows:-
YSI 400 Series thermistor probes;
YSI 500 Series thermistor probes;
YSI 600 Series thermistor probes;
YSI Kettering radiometer;
YSI tele-thermometers;
YSI temperature controllers;
YSI electronic hematocrit;
YSI biological oxygen monitor;
YSI strip chart recorders
Shelfmark
Maker
Yellow Springs Instrument Company (YSI)
Title
YSI thermistor probes
Description
Under the heading Temperature sensing thermistor probes/YSI Series 400 and 500, the probes are introduced as precision temperature sensing devices for use with YSITele-Thermometers, temperature controllers, and similar precision equipment widely applied to environmental temperature ranges in biology, ecology, medicine, physiology, oceanography, forestry, etc.
Each instrument is described in great detail, accompanied by graphs, tables, technical drawings and specification.
Shelfmark
Maker
Chas. W. Cook & Sons
Title
The Mahler-Cook Bomb Calorimeter for determining the calorific value of coal, coke, oil &c
Description
Description of the bomb calorimeter; illustration of the apparatus; instructions for carrying out experiments with it; tables and equations for determining the calorific value of coal and oil; tables of thermo chemical values, summary of a determination, list of references, price of the equipment, cross-section diagram of the equipment, diagram of electrical connections from cells or rheostat to bomb.
Shelfmark
Maker
Shaw
Title
Shaw moisture meters: The world’s most accurate moisture meters for textile fibres
Description
The catalogue separates the instruments into groups, as follows:-
Moisture meters:
Shaw precision moisture meter;
Shaw electronic moisture meter;
Shaw lodge moisture meter;
Moisture Meters for Quick Sample Checks:
Shaw pressure type industrial moisture meter;
Shaw pressure type laboratory moisture meter;
Shaw pocket-size resistance type moisture meter;
Shaw varsity moisture meter;
Hygrometers
Shaw recording hygrometer;
Shaw recording hygrometer alarm;
Shaw hygrometer alarm;
Shaw dewpoint recorder;
Automatic Moisture Indicators for Continuous Factory Processes
Shaw moisture indicator;
Shaw moisture recorder;
Shaw moisture alarm.
Each instrument is illustrated, and is accompanied by a brief paragraph of description. Some have specifications and prices.
Some accessories are included.
Shelfmark
Maker
Cambridge Scientific Instruments Limited
Title
Cambridge Stereoscan Application: Semiconductors 1
Description
Photograph of crystals of lead tin telluride. Scale accompanies photograph.
Text reads: ‘Subject: Crystals of lead tin telluride. Magnification x 60. Source: Specimen prepared and photographed by The Plessey Company Limited, Allen Clark Research Centre.’
Shelfmark
Maker
Shaw
Title
Moisture humidity dewpoint measurement & control in air, gas or liquids
Description
The front page is marked into eight boxes. Each one has a sketch to suggest the field of work to which the Shaw instruments are ideally suited. These are:-
Semiconductor manufacture;
Metals;
Chemical;
Gas industry;
Instrument air;
Petrochemical;
Drying;
Electricity
The instruments featured are:-
Shaw multirange hygrometer;
Shaw thermodew dewpoint meter;
Shaw multiway bygrometers;
Shaw auto-dry control;
Shaw recording hygrometer;
Adequate to detailed information is provided for each of the above, as well as an illustration.
A leaflet is filed inside the folder, entitled:
Can this leaflet help you? New techniques discovered! Information is presented under these headings:-
Moisture measurement in liquids;
Industrial drying rocesses - automatic control;
Water leak detection in nuclear reactors;
Water vapour measurements under vacuium;
Micro moisture measurement;
Air or gas dryers, regeneration initiated by moisture detector;
The Shaw hygrometer
Shelfmark
Maker
Cambridge Instrument Company Limited
Title
CO2 Equipment for Flue-Gas Analysis ...determining the CO2 content of flue-gases as a guide to combustion efficiency
Description
Pictures and short descriptions of the technical specifications of instruments.
Shelfmark
Maker
Cambridge Instrument Company; Limited
Title
Cambridge humidity instruments
Description
This range of Cambridge instruments for measuring and controlling relative humidity are presented as having many applications in factories, warehouses, laboratories, and public buildings. Information about them is given under these headings:-
Introduction;
Methods of measurement;
Applications;
Humidity Indicators:
Six-inch humidity indicator;
Paper hygroscope;
Hand humidity indicator;
Humidity Recorders:
Combined temperature and humidity recorder;
Wet and dry bulb thermograph;
Humidity Controllers:
The control of humidity;
Wet and dry bulb controllers;
Hygroscopic controllers;
Type numbers
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