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Page 698 of 698
Shelfmark
Maker
Townson & Mercer Limited
Title
Catalogue of Chemical, General and Industrial Laboratory Apparatus including Chemicals and a selection of Elementary Physical Apparatus.
Description
-Page of medals and diplomas awarded to the company
- Reference page: comparison of wire guages, comparison of thermometer scales, conversion table, E.M.F.s of various cells
sets of microscopic slides
- Catalogue of various scientific apparatus and chemicals, with printed illustrations and prices
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
T. J. Marshall & Co. Ltd
Title
Paper Testing Machine
Description
First page: name of firm, illustration of paper testing machine.
On reverse: typewritten letter dated 25th October, addressed to Messrs Seargent Bros.. Ltd., Usk Vale Works, Abergavanny:
‘Dear Sirs, Ref. SOS/K3: Replying to your favour of the 24th inst., we think that you have the old type of Paper Testing Machine, and we are sending hearwith leaflet giving instructions as to the use of same. Enclosed also, we are sending circular describing our new machine’.
Pages 2-5: Analytical report of the machine by R.W. Sindall, esq., F.C.S., May 26th 1903, giving results of various tests of the strength of paper.
Page 6: Directions for using the machine, with a labelled diagram. Advertisement for ‘Dandy Rolls’ made by T.J. Marshall and Co., Ltd.
Shelfmark
Maker
Adam Hilger Ltd.
Title
Catalogue F Spectroscopic and other accessories.
Description
Shelfmark
Maker
C. H. Greiner Gottlob Sohn
Title
Jllustriertes Preis-Verzeichnis uber Glasemballagen, Seckkapselglaser und chemische, chirurcishce, bakteriologische und pharmazeutische Glasartikel und Utensilien
Description
Catalogue of laboratory and medical equipment, mostly made from glass, with illustrations and prices in Marks.
- Foreword, with terms of ordering equipment
- Index
- Section 1 - Laboratory ware (test tubes, jars, slides , medicine bottles, glass figurines, etc.)
- Section 2 - Medical equipment for treating eyes (eye-droppers, eyebaths, artificial eyes)
- Section 3 Thermometers for doctors and chemists
- Section 4 - Barometers
- Section 5 - Instruments for chemistry (vials, burettes, clamps, gradated cylinders, pipettes, glass tubes, glass taps, flasks, beakers, petri dishes, funnels, separation funnels, U-tubes, etc.)
- Section 6 - Instruments made from Bohemian glass, for export only (evaporating basins, beakers, flasks, retorts)
- Section 7 - Surgical instruments (eyebaths, milk pumps, catgut holders, kidney dishes, catheters, clyster tubes, measuring glasses, saccharometers, inhalation tubes and breathing apparatus, irrigators, porcelain cups for invalids, milk bottles, cannulas, nasal douches, basins for disinfecting, speculas, syringes, urinals)
- Section 8 - Instruments and equipments for examining milk
(lactodensimeter, butyrometer, milk bottles)
Shelfmark
Maker
Carl Zeiss; Jena
Title
Zeiss Binoculars
Description
Instructions on how to use binoculars:
- Adjustment of the Binocular to the Distance between the Eyes
- How to Focus the Binocular
- The Case
- Adaptation to abnormal Eyes
- Cleaning. Repairs
Printed illustrations accompany the instructions.
End page has list of other catalogues that can be obtained from Zeiss.
Shelfmark
Maker
Baird & Tatlock (London) Ltd.
Title
B.T.L. “Stabilitas” Hot Air Ovens
Description
Front page: Description of hot air ovens, with illustration, catalogue number and prices.
Reverse: Advertisement for a selection of BTL thermostat ovens.
Shelfmark
Maker
Baird & Tatlock (London) Ltd.
Title
“Gaza” Automatic Gas-heated Stills/ “Bara” Automatic Electric Stills
Description
Front of page: List of gas-heated stills and glass condenser tubes, with catalogue numbers, descriptions and prices. Illustrations of 2 of the stills and diagram showing set-up with condenser tube.
Reverse: List of automatic electric stills with catalogue numbers, descriptions and prices. Notes on the special advantages of electric stills. Illustration of one of the stills, diagram showing the method of fitting the still to a wall.
Shelfmark
Maker
Cambridge Instrument Company; Limited
Title
Abridged Specifications for Cambridge Electrical Instruments
Description
Pictures and short descriptions of the technical specifications of instruments.
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