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Page 621 of 698
Maker
Hilger & Watts Ltd.
Title
Watts Optical Flats
Description
One in a binder of Watts instruments catalogues filed by topic, under the heading Miiscellaneous.
Information provided:- Purpose of Flat; Operation; Testing Micrometers; Detection of Burrs on Lapped Surfaces; A list of Catalogue numbers for 2” diameter optical flats of various kinds: TP20-29; 4” diameter optical flats lf various kinds: TP 40, 42, 43; Micrometer testing flats: TP192-197, and accessories follow.
Maker
Hilger & Watts Ltd.
Title
Watts Abney Level, Hand Level, Optical Square, Road Tracer
Description
Watts Abney Level has brief details of appearance and use; Specification; Catalogue No. SH.1. Hand Level is described briefly; Catalogue No. SH. 2; Optical Square appearance and use is provided; Catalogue No. SH.4. Road Tracer appearance and use is provided; Catalogue No. SH. 10, SH.11 ., SH. 12.
Shelfmark
Maker
[Hilger & Watts Ltd.]
Title
Tempunit FA.115, 505.
Description
Information is set out in three headed paragraphs, each having two numbered sections. The paragraph headings are:
Tempunit FA115, 505: Modification to Wiring;
Tempunit TL.1, FA.115, 429: Modification to wiring;
Tempunit T.U.B. FA115-534 (with FA.115-A32 Mounting Plate): Modification to Wiring
Shelfmark
Maker
Carl Zeiss
Title
Notice sur l’emploi de l’Appareil d’Eclairage d’Abbe
Description
Includes other instruments. Also gives some detail about the instruments.
Shelfmark
Maker
Hilger & Watts Ltd.
Title
Watts Autoset level: A self-setting level for surveyors and engineers
Description
New British Self-Setting Level introduces the instrument; further information is arranged under these headings:- Surveying Revolutionised; The Self-Setting Device; Other Efficiency Features; Outstanding in the Field; Principle of the Stabiliser; Superior Performance; Specification; Accessories; Levelling Staves
Shelfmark
Maker
National Insittute of Agricultural Engineering
Title
In situ methods of measuring soil moisture content - a critical resume
Description
This Report of the British Society for Research in Agricultural Engineering compares methods already developed for determining the average quantity of moisture in the soil, and suggests further research needed to obtain more accurate results.
Information is presented under these headings:- Summary; (1) Introduction; (2) The Importance of Soil Moisture and its Measurement; (3) Definitions; (4) Methods of Measuring the Moisture Contents of Soils; (5) Calibration of Soil Moisture Meters; (6) Conclusions and Recommendations; (7) Suggestions for Future Research; Acknowledgements; Bibliography; Additional Bibliography
Shelfmark
Maker
George Forbes
Title
Handbook of the Forbes Telemeter or Range-finder
Description
Includes sections on the theory, description and use of the instrument.
Maker may not have been Forbes.
You are on Page 621 of 698
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