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BOOKS IV and V of the series "Related Subjects for Motor Vehicle Mechanics" by D. Keen, senior lecturer, Motor Trades Department, Gateshead Technical College, have been published by Heinemann Educational Books Ltd. These comprise Calculations and Drawing and Science. Electricity and Laboratory Work and are additional to books I, II and III, which deal respectively with "Mathematics and Drawing" and "Science" and "Electricity", which were published in 1966. Each book in the series costs 16s.
The contents of the books are closely related to the City and Guilds Part II Mechanic's syllabus and the second year of the Technician's syllabus for motor vehicle work. While the information is intended for the instruction of mechanics, they provide a collection of data that many older technicians may well find useful if their knowledge of relevant basic principles has "got rusty" over the years.
Subjects covered in book IV include the more commonly applicable equations, graphical representation, logarithms, trigonometrical calculations, free-hand sketching and the preparation of line diagrams and cross-section sketches, all the books having a section on the international system of units.
Book V includes a section on heat engines, which deals in some detail with the combustion processes of petrol and diesel engines and compares the constant-pressure and constant-volume cycles. The book also has chapters on the properties of materials, simple chemistry and combustion, friction machines, mechanics and motion, electromotive force and power, electrical instruments and machines and laboratory experiments. P.A.C.B.