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Page 693 of 699
Shelfmark
Maker
Cambridge Instrument Company Limited
Title
Cambridge Dissolved Oxygen & Hydrogen Meters. For Boiler Feed Water. Physical Type.
Description
Pictures and short descriptions of the technical specifications of instruments.
Shelfmark
Maker
Cambridge Scientific Instruments Limited
Title
Cambridge Microscan 3 X-Ray Microanalysis System 5. Electron signal processing systems
Description
Shelfmark
Maker
Baird and Tatlock (London) Ltd.
Title
The New B.T.L. Metal Filter Pump
Description
Description of filter pump, illustration, catalogue numbers and prices.
Shelfmark
Maker
Cambridge Instrument Company; Limited
Title
Cambridge Gas Analysers for hydrogen-cooled alternators
Description
Pictures and short descriptions of the technical specifications of instruments.
Shelfmark
Maker
Cambridge Scientific Instruments Limited
Title
Cambridge Microscan 3 X-Ray Microanalysis System 4. X-Ray Spectrometers
Description
Pictures and short descriptions of the technical specifications of instruments.
Shelfmark
Maker
Cambridge Scientific Instruments Limited
Title
Cambridge Microscan 3 X-Ray Microanalysis System 6. Display and data presentation
Description
A picture and a short description of the technical specifications of instruments.
Shelfmark
Maker
R. & J. Beck
Title
Beck Substage Illuminator
Description
Labelled illustration of the substage illuminator, with instructions on how to connect it to an electrical supply, install it and change the bulb.
Shelfmark
Maker
Cambridge Instrument Company Limited
Title
Cambridge Gas Analysers B: Primary Measuring Group
Description
Pictures and short descriptions of the technical specifications of instruments.
Shelfmark
Maker
Griffin & George Limited
Title
Instruction Sheet: Making models of chemical structures using Griffin ‘Grifzote’ spheres
Description
Description of polystyrene spheres used to make models of chemical structures.
- General description of the spheres.
- Description of 2 types of model: tangential contact models for modelling atoms and molecules of elements and compounds (both organic and inorganic), and space-filling models to indicate how electron clouds overlap in space.
- Practical details of model construction.
- Photographs of the models depicting various molecules.
- Geometric diagram of the tangential contact and space-filling molecules as illustrated by the water molecule H20.
- Geometric diagrams of marking spheres at the most common angles and of marking out tetrahedrally with protractor.
- Paper patten details for space filling model of the formaldehyde molecule CH20, and for a benzene ring.
- Tables of covalent, ionic and Van der Waal’s radii; of some common structures; and of the Institute of Physics colour code for the models
- References and useful reference books
- Addenda: techniques for connecting the spheres together and for marking out speheres using dividers instead of a protractor.
Shelfmark
Maker
Carl Zeiss
Title
Heating stages for microscopes
Description
- Description of two heating stages that have been developed as an accessory to the standard microscope: one model for temperatures of 30-60 degrees Celsius and another, simpler model for temperatures of 35-43 degrees Celsius. The heating stages are equipped with thermometers - on the 30-60 degree model this is attached to a thermoregulator, and on the 35-43 degree model the temperature is regulated by hand by means of the built-in regulating resistance of the heating device.
- Photograph of the heating stage attached to a microscope.
- Order list for the heating stages and accessories for both stages, with catalogue numbers and approximate weight. No prices.
- Details of how to contact Zeiss branches, and advertisement for other instruments in their delivery programme.
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