The DoAll Company. The Science of Precision Measurement 1953

Textbook in PDF format

History and Development
On Clearances and Tolerances
Gage Blocks, the Foundation of Precision Measurement
The Micro-Step Gaging System a Practical Application of Gage Blocks to Dimensional Measurement
Angle Measurement by the Use of Sine Bars and Sine Plates
Measurement with Light Waves by the Use of Optical Flats and Monolight
Comparative Measurement with Electrical and Mechanical Comparators
Thread and Gear Inspection by the Wire Method
Mobile Inspection
Statistical Systems of Dimensional Quality Control