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Page 698 of 698
Shelfmark
Maker
John J. Griffin & Sons; Ltd.
Title
Chemical Handicraft: A Classified and Descriptive Catalogue of Chemical Apparatus
Description
Includes a wide range of chemical and general laboratory apparatus.
Includes accounts taken from newspapers, descriptions and instructions for some instruments.
Shelfmark
Maker
W. F. Stanley & Co. Limited
Title
Drawing and Mathematical Instruments and Drawing Office Stationery
Description
Illustrated catalogue (with prices) of a large range of drawing equipment and stationery.
- Title page
- ‘Special Notice’ concerning subdivision of catalogue into six parts
- prints of Stanley’s factories, workshops, retail establishments and offices
- catalogue of drawing and mathematical instruments and stationery, with illustrations and prices.
- Index
- Advertisements for books by W. F. Stanley
- List of other books for sale, with prices
- List of telegraphic codes for ordering the various items of equipment.
Shelfmark
Maker
A. S. Aloe & Co.
Title
Reduced Prices. A. S. Aloe & Co. (Successors to Aloe, Hernstein & Co.), Manufacturers and Importers of Surgical, Optical & Electrical Instruments.
Description
A revised price sheet to accompany the catalogue of January 1882, with a list of new inventions on the last page.
List of prices of instruments in 1882 catalogue, showing the page no., article no., price in catalogue of 1882, and corrected price. Instruments listed are a wide variety of surgical equipment.
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.
Shelfmark
Maker
Optical Works Ltd.
Title
Optical instruments and accessories
Description
Catalogue of optical instruments.
- Cover: photograph of a Schlieren mirror
- Catalogue of optical instruments, with specifications but no illustrations or prices. Includes 6-inch and 7-inch Schmidt cameras designed for stellar photography; collineator and compound reflector; Schlieren mirrors for use in wind tunnels and other fields where air disturbance is important; proof planes from crystalline quartz, fused quartz, Pyrex glass and plate glass; crystalline quartz prisms, plane parallel plates and condenser lenses; fused quartz (available for cutting, grinding and polishing); fused quartz windows; plano-convex and bi-convex lenses; negative lenses; quartz condenser lenses; glass prisms; six-inch and 8-inch F6 telescope; galvanometer mirrors.
- Price list inside back cover dated April 1949.
Shelfmark
Maker
Carl Zeiss; Jena
Title
Price list of the Pulfrich Refractometer (New Model 1895)
Description
- Cover with labelled diagram of the refractometer
- Description of what the refractometer can be used for (measurements of refraction and dispersion for transparent, fluid and solid bodies; investigations of fluids at high temperatures; determination of the differences of refractive or dispersive powers of solid or fluid substances that differ little in their optical properties)
- List of accessories
- Price list for the instrument and accessories
Shelfmark
Maker
R. & J. Beck Ltd.
Title
Binomax Stereomicroscopes
Description
Front of page: Image of person using stereomicroscope, list of the instrument’s qualities and advantages.
Reverse:
Description of the advantages of the stereomicroscope, description of the instrument, specification, catalogue numbers for stereomicroscope and accessories. Prices were listed but have been crossed out.
Shelfmark
Maker
Carl Zeiss; Jena
Title
Inset No. 2 to Mikro 400, page 91
Description
Cover sheet and inset entitled ‘Inset No. 2 to Mikro 400 - page 91’.
Inset:
-Statement that small glass bell covers Nos 129621 and 129631 are no longer supplied.
- Catalogue entry for new metal bell covers with three cellon windows (No. 129626 without base, 126627 with base). Illustration, but no prices.
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