Although Mr. Hounsfield states that he has written this book mainly in self defence, it must not be thought that it is in any sense propaganda. On the contrary, he has given an unbiased summary of the opinions and conclusions of a large number of investigators in the difficult and controversial subject of notched bar testing. (Jas. G. Docherty)

Title - Commercial Testing - Part 1: Notched Bar Testing

Author - Leslie H. Hounsfield

Date - 1953