Search returned 6979 results
Page 673 of 698
Shelfmark
Maker
A. Clarkson & Co.
Title
Second hand microscopes for general purposes, and for biology, bacteriology, etc. [facsimile]
Description
Microscopes are listed with brief specification, and in most cases, with a catalogue number. Some accessories are included. Instruments are presented under these headings:-
[General];
Binocular microscopes;
Portable microscopes;
Outfits suitable for general and amateur use;
Microscope objectives. Oil immersion
Shelfmark
Maker
Cambridge Instrument Co. Ltd.
Title
Cambridge gas analysers : C Final measuring & control group
Description
The document is third in a series of four, devoted to industrial and research equipment for gas analysis, in which the Cambridge katharometer, based on thermal conductivity, is the primary measuring element.
Information is presented under these headings:-
Foreword;
General;
Indicators [with specifications, catalogue nos., & brief details];
Recorders [with specifications, catalogue nos., & brief details];
Control equipment [with specifications, catalogue nos., & details];
Current supply;
Current standardisation;
Portable indicators
Shelfmark
Maker
[Hilger & Watts Ltd.]
Title
The operation of the PDP-8 Computer
Description
This document is a compilation of photocopied handwritten text; a photocopied extract from a printed manual; and a photocopied typescript.
After a general introduction, the handwritten section presents information under these headings:-
Number representation in a computer;
Basic components of a digital computer;
Programme storage in a digital computer;
Numbering systems used in digital computers;
The computer “word”;
The printed extract from the manual uses these headings:-
Standard PDP-8 operation;
Memory and processor instructions;
followed by some handwritten excercises and problems
The typescritpt is titled PAL Programming Guide, and presents information headed:
Equipment required;
General procedure;
Language details;
Error indicators in PAL;
A further extract from the printed manual titled [first words illegible] to the PDP-8 symbolic tape editor:-
A. General;
B. Modes of operation;
C. Loading sequence to correct a symbolic tape;
D. Summary of commands;
E. Sequence for punching out a correct symbolic tape
Shelfmark
Maker
W. Watson & Sons
Title
A descriptive price list of a new high-tension transformer for producing x-rays and high frequency currents without induction coil or primary interrupter [facsimile]
Description
Information is presented under these headings:-
Production of x-rays;
Advantages of the high tension transformer;
The high tension transformer;
Switchboard for transformer;
Valve cell;
High tension rectifier;
Bi-cathodal x-ray tubes;
High tension transformer cabinet;
High frequency apparatus;
Price list;
Estimates of complete high tension transformer installations
Instrument numbers, and some illustrations are provided.
Shelfmark
Maker
W. Watson & Sons
Title
Description & price list of the Holostigmat lens [facsimile]. Series Ia. F/4.6. Series I. F/6.I. Series II. F/8
Description
After a general introduction to the Holostigmat lens, there follows a list of instruments, each with about half a page of description, half a page of specifications and prices, some with illustrations. Instruments featured are as follows:-
Price list of the Holostigmat Convertible, Series 1 a. The new
lens;
Price list of the Holostigmat Convertible, Series 1, F/6.1;
Price list of the Holostigmat Convertible, Series II, f/8;
Price list of the Extra Hemi-Symmetrical Holostigmat
Convertible. Series I;
Price list of the Extra Hemi-Symmetrical Holostigmat
Convertible. Series II;
Holostigmat lenses. Series I. In sets of 6 foci;.
The Holostigmat Convertible wide-angle lens;
Watson’s tele-photo attachments
The new Watson-Conrady process lens, “Actinolux”;
The new Watson-Conrady “Actinolux” reversing prism
Shelfmark
Maker
Cambridge Instrument Co. Ltd.
Title
Cambridge magnetic oxygen analyser
Description
The analyser is based on the high paramagnetic susceptibility of oxygen, which allows an accurate method of oxygen determination to be devised.
A description of its design and method of use, together with that of two other recorders is set out under these headings:-
Analyser Unit;
. 10-inch Indicator;
Model “B” Recorder;
Electronic Recorder
The document ends with specifications (including cat. nos.)
Shelfmark
Maker
Cambridge Instrument Co. Ltd.
Title
Cambridge portable CO2 and temperature indicator
Description
Under the heading General, the instrument is introduced as a compact industrial instrument designed for the measurement of both carbon dioxide content and temperature of flue gases.
The text continues under the heading Description, giving a detailed account of the instrument’s appearance and how it is used.
It ends with Specifications, including part numbers.
Shelfmark
Maker
Hilger & Watts Ltd.
Title
[Section III Emission lines by element]
Description
This document is a photocopied extract [pp. 320-331] from a book of tables, using the column headings:- Symbol; Wavelength; Intensity; Reference numbers.
The element named on the first page is Mercury, and its data occupy the rest of the document until, on the last page Thallium is named.
Shelfmark
Maker
Chas. Collins; manufacturer
Title
Catalogue of microscopes, apparatus, cabinets &c. 6th ed. [facsimile]
Description
Information is presented under these headings:-
Published opinions of Harley microscope;
Particulars of the Jackson model;
Particulars and prices of Harley microscopes;
Student microscopes;
Apparatus for microscopes;
Object glasses; Mounting cases;
Dissecting and mounting apparatus; Dissecting microscope;
Webster’s achromatic condenser; Microscopic objects;
Sundry apparatus; Cabinets and boxes for objects;
Books; Spectacles and opera glasses;
Microscope lamps
Shelfmark
Maker
Fison; Alfred H.
Title
Syllabus of a course of ten lectures on recent discoveries with the telescope and spectroscope [facsimile]
Description
This syllabus is presented by lecture title:-
Lecture I. Celestial photography;
Lecture II. The spectroscope;
Lecture III. Spectrum analysis;
Lecture IV. The spectrum of the sun;
Lecture VI. The motions of the stars (Doppler’s Principle);
Lecture VII. The physics of the sun;
Lecture VIII. Double and multiple stars;
Lecture IX. New and variable stars;
Lecture X. The life of a star.
The document ends with a numbered list (1-40) of questions, from which homework is to be set each week during the course.
You are on Page 673 of 698
Filter Results
