Shelfmark

hil.633

Maker

Twyman; Frank; et al.

Title

The practice of spectrum analysis with Hilger instruments; [facsimile] Including a note on the various types of emission spectra. 4th ed.

Description

The booklet is intended to supply a guide to those intending to take up spectrum analysis for practical purposes. Aspects of this are presented in chapters headed:-
I. Types of problem to which spectrographic analysis is
applicable
II. Spectrometers and spectrographs
III. Ways and means of exciting emission spectra
IV Taking spectrograms, measuring wavelengths, and
identifying elements
V Quantitative spectrum analysis
VI The various types of spectrum(sic)

Shelfmark

krn.1

Maker

Dr. F. Krantz: Rheinisches Mineralien-Kontor

Title

Crystal Models: Catalogue No. 29, 2nd ed., with numerous illustrations

Description

- List of world-wide representatives for the models offered in the catalogue
- Conditions of sale and terms of payment
- Preface
- Catalogue of crystal models made from wood and from glass, with illustrations
- Catalogue of stands for crystal models
- Catalogue of contact goniometers
(Catalogues do not include prices).

Shelfmark

dal.1

Maker

J.H. Dallmeyer Ltd.

Title

Comprehensive stock of photographic & cinematograph cameras, projectors & sundries ... [facsimile]

Description

The majority of items in this catalogue are given one-page detailed descriptions, with an illustration, and specifications
They fall into the following categories:-
Cameras [for amateurs, professionals and cinematographs]
Exposure meters;
Filters;
Lenses;
Lens caps, flanges and enlarging caps;
Magnifiers;
Shutters
The last page has a diagram of the company's premises (partly illegible).

Shelfmark

mxk.34

Maker

Max Kohl

Title

Appareils de Physique simples, tarif nos. 1, 2 & 3

Description

Catalogue of physics and electrical apparatus which have been simplified to enable them to be sold at a low price. With printed illustrations and prices in Reichsmarks. In French.

Shelfmark

Csi.993

Maker

Cambridge Instrument Company; Limited

Title

Callendar’s Apparatus for the Determination of “J,”

Description

A picture and short descriptions of the technical specifications of an instrument.

Shelfmark

Hog.1

Maker

J. E. Hough; Ltd.

Title

The Edison Bell “Sympathetic” chromic needle and grip [facsimile]

Description

Under the heading: Control your gramophone a revelation and a revolution, the needle and grip are described in essay form, and covers these topics:-
Drawbacks of gramophone needles currently on the market;
Therapeutic use of music;
Necessity of adjusting equipment for best results;
Superiority of the new chromic needle over steel needles;
How the “Sympathetic” differs from all other needles;
Further uses for effects produced by this needle;

Shelfmark

Csl.2

Maker

L. Casella

Title

Description of the Bridges-Lee new patent photo-theodolite. 2nd ed. [facsimile]

Description

The instrument is presented as specially designed to give true photographic perspectives, always in a vertical plane and at constant distance. It has a purpose-designed mechanism inside the camera for recording on the negative all or nearly all the information necessary for interpreting the picture.
A detailed description of the instrument follows; instructions for use follow under these headings:-
A. Choice of camera stations;
B. Manipulation of the photo-theodolite at the camera stations;
C. Special notes relating to the preparation of photographs for
surveying purposes;
To use the photographs for plotting the ground plan;
Contour lines;
Information which can be gathered from the study of a single
photograph;
A selection from L. Casella’s general catalogue

Shelfmark

cla.4

Maker

A. Clarkson & Co.; Ltd.

Title

Microscopes & accessories [facsimile]

Description

Microscopes and accessories are listed with brief specifications, some illustrations, and prices They are listed under these headings:-
Beck microscopes;
Microscope lamps;
Medical microscopes;
Binocular microscopes;
Petrological microscopes;
Beginners’ microscopes;
Microscope objectives;
Microscope accessories;
Table of approximate magnifications;
Index

Shelfmark

btl.37

Maker

Baird and Tatlock (London) Ltd.

Title

The B.T.L. “Bara” Flask Heater

Description

Description of flask heater, illustration, specification, catalogue numbers and prices.

Shelfmark

crs.1

Maker

Cross & Cole

Title

Polarizing screens

Description

1st page states ‘The enclosed advertising broadsheet was found inside a volume of ‘Modern Microscopy’ by Cross & Cole - dated 1922.

Advertisement for ‘The Amazing New Polaroid Material’: polarizing screens that can be used on microscopes, polariscopes and strain analyzers, projectors and telescopes. Gives prices for 2 small screens and for a box of assorted sizes.