The author of this book, like numerous manufactuing engineers, has for many years appreciated the need for testing materials.

Title - Commercial Testing (Part II - Plastics)

Author - Leslie H. Hounsfield

Date - 1946

Extract - "It is hoped that this book would help some of the macny busy manufacturing engineer to save the time which would otherwise be spent on finding and reading the vast amount of literature published on the subject, much of which takes the form of papers read before the learned societies".