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Page 646 of 699
Shelfmark
Maker
[Hilger & Watts Ltd.]
Title
Y471 & Y473 penning gauge and relay connections
Description
This technical drawing is labelled to ensure that the instrument may be properly installed.
Shelfmark
Maker
Hilger & Watts Ltd.
Title
Alignment and Final Test of the D400 and D460
Description
Information is arranged under these headings:-
Tools Required; R.P.I. Items; General; Filters; Jigs.
Mounting of Gratings and Mirrors: Mirrors; Grating; Optical Alignment; Optical Alignment; Photo-Electric Resolution Check; Calibration; Mechanical Adjustment continued [sic]; Steady Plate Setting; Photoelectric Wavelength Check; Stray Light; Repeatability Check; Finishing Off.
Shelfmark
Maker
Hilger & Watts Ltd.
Title
Autoplumb: a new Hilger & Watts instrument for precisely defining the vertical for tall building projects
Description
Preliminary document written by J.A. Armstrong. After brief details on appearance, and how to use it, information is arranged under the following headings:- The Micrometer; The Levelling Base; Stand; Method of Use;
Shelfmark
Maker
Hilger & Watts Ltd.
Title
Watts Autoset Level 1
Description
Information is arranged under these headings;- The Lower-Cost, Maximum Time-Saving, Automatic Level; Optical Compensation; Telescope; Efficiency; Horizontal Circle; Speed and Accuracy; Metal Case; Tripod; Levelling Staves; Specification; Catalogue Numbers for Ordering: SL 70, 71, DS 48, 49, 201
Shelfmark
Maker
Hilger & Watts Ltd
Title
Watts microptic auto-collimator: Instructions for use
Description
Information is presented under these headings: General Description: 1. Purpose of instrument 2. Principle of operation 3.Setting-up the auto-collimator 4. Reflector 5. Method of making measurements; Instrument Adjustments: 6.Microscope focus 7. Objective focus 8. Position of target wires 9. Position of lamp 10. Rotation of tube 11.Scale adjustment 11a New design; Typical Applications of the Auto-Collimator: 12. Alignment of machine beds 13. Alignment of perpendicular surface 13. Alignment of Machine slides 15. Squareness testing 16. Indexing fixtures 17. Small mechanical movements 18 Flatness of machine tool beds and surface plates - method of test and calculation of results; Complete List of Caalogue Numbers and SpecificationsTA 1
Shelfmark
Maker
T. A. Reynolds; Son & Wardale; Ltd.
Title
London Made Barometers and Thermometers; Watch, Pocket and Surveying Aneroids
Description
Shelfmark
Maker
Hilger & Watts Ltd
Title
Watts microptic levels
Description
The basic SL 100 model is briefly described, followed by a list of variations and Catalogue Numbers: SL 100-106, 108-111. Sections headed Accessories and Ancillary Equipment, and Spares and Replacements list relevantr Catalogue Numbers. Instrument specirfications follow
Shelfmark
Maker
[Hilger & Watts Ltd.]
Title
Procedure for fitting new thrust race to main worm drive on Y.250
Description
This photocopied typescript gives a list of procedures, numbered 1-35, for modifying the instrument named above.
Shelfmark
Maker
Hilger & Watts Ltd
Title
Watts microptic theodolite no. 1
Description
A brief history of the company is followed by product information presented under these headings:-
General Description:
Telescope, The optical system, Glass circles and reading systems, Illumination, Spirit levels, Axis and controls, Plumbing, Levelling base, Tripod, Case, Specification;
Mining and Other Accessories [Catalogue Numbers];
Watts no. 1 Mining Traverse Equipment:- The targets, Optical plummet, Levelling bases and tripods, Method of working Sections 1-3; Specifications
Shelfmark
Maker
Hilger & Watts Ltd
Title
Watts microptic theodolite no. 1 Mark IV
Description
Information is presented under these headings:- Microptic Theodolite No. 1, Mark IV: Reading the Circles; [Tripods], Catalogue numbers SD 1-2, 5-6; Specification: Telescope, Circles, Optical micrometer, Spirit levels, Optical plummet, Case, Accessories;
Microptic Theodolite No. 1 Centring on Tripod Head: Catalogue numbers ST 150, ST 151, SD 5, tripod SD 6, SD 201;
Microptic Theodolite No. 1 Centring above Footscrews: Catalogue numbers ST 156, ST 157 tripod SD 1, SD2, SD 201;
Optional Accessories [arranged by catalogue number];
Watts Ewing Stadi-Altimeter: Cat no SF 174., Specification
3-Tripod Traverse Model: Cat. nos. ST 152, ST 153,, [description and specification follow].
Watts 3-Tripod Traverse Outfits: ST 126 Overground Outfit, ST 127 Overground Outfit, ST 128 Underground Outfit, ST 129 Underground Outfit
You are on Page 646 of 699
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