Preface
I received the request to prepare a third edition of Manual of Engineering Drawing with mixed feelings. It was not that I did not want to do a revision; in fact I was keen to do so, being very conscious that some of the contents was in need of updating to reflect the latest developments, made by the ever-changing world of technology, and by ISO/ BS Standardization, and I also saw it as an opportunity to enhance the book's content, by introducing new chapters on topical subject matters. But, I was aware that my dear friend and co-author over the past thirty years would be unable to play a part in this revision by virtue of ill-health.
I discussed my dilemma with Neil Phelps, a practicing mechanical design engineer and fellow colleague, ...