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A humorous look at how pressure balances work and the correct way to use them, highlighting many common operational errors.
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...
Explains the principles and demonstrates the practical techniques of levelling. A Wild NKI tilting level is used for fieldwork. The principles, the booking of readings and the subsequent calculations are all...
As manufacturing is being refined and closer working tolerances specificed for high-precision components, metrology is becoming increasingly important in all sectors of industry. The course illustrates how...
Shows how components manufactured to high specification need accurate, well-maintained machine tools, set within specific tolerance limits. Explains how go/no-go gauges, micrometers and dial gagues may be...
Explains why good measurement is important to the manufacturing industry. Dorma Fabrics, a manufacturer of co-ordinated bed linens, is a company which has collaborated closely with the Department of Trade...
Explores the problem of designing a digital weighing machine, introducing the notion of quantization error. A schematic diagram illustrates a possible design. Then shows an actual instrument. Discusses the...
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...
Show the use of the polar planimeter, a small mechanical device for the measurement of area.
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