This section is from the book "The Tinman's Manual And Builder's And Mechanic's Handbook", by Isaac Ridler Butt. Also available from Amazon: The Tinman's Manual And Builder's And Mechanic's Handbook.
Geometry is the science which investigates and demonstrates the properties of lines on surfaces and solids: hence, Practical Geometry is the method of applying the rules of the science to practical purposes.
 
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