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Discusses the importance of the verification of the performance of co-ordinate measuring machines (CMMs), which have become of paramount importance to their users and manufacturers since the publication of...
Although the Hilger and Watts 20-inch reading theodolite has been largely suyperseded in surveying work, it is still commonly used for teaching purposes. This step-by-step guide shows how to set up and level...
Electronic theodolites produce quick and reliable measurements and they are now widely used on construction sites. This tape shows the operation of a Sokkia DT5 electronic digital theodolite which has a...
A humorous look at how pressure balances work and the correct way to use them, highlighting many common operational errors.
Gives the viewer the nearest thing to hands-on experience with a gyrotheodolite. Explains in detail the process of operation, observation and computation associated with the determination of the azimuth...
Introduces core concepts relating to measurement, including precision, resolution, accuracy, repeatability, reproducibility. Looks at measurement standards, with sections on gauge blocks and surface plates...
Show the use of the polar planimeter, a small mechanical device for the measurement of area.
A series of five programmes about safety measures as laid down by EEC directives, intended for all those whose everyday work brings them into contact with ionising radiation 1. The Scientific Background...
High-accuracy laser-based alignment and deflection measurement: the principle of the NPL 3-point laser alignment and deflection system is explained with the use of animated diagrams. Illustrates several...
Introduction to the theory and practice of using a theodolite, comprising tutorial, animation and test sequences. Intended for self-study and preparation for practical. Three hours of teaching material.
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