From the UK Workshop Practice Series. Book #42. Provides technical information commonly needed in the workshop. Details on drills, turning tools, end & slot mills, grinding wheels, collets & tapers, spanners, thread data, screw & worm cutting, gears, belt drives, welding, math formulas, electrical & electronic componentry, raw materials & specs, conversion tables & a glossary. Soft cover. 217 pages. Published 2009. Was $16.50, now $10.00. While supplies last.