Welcome to another swimming season! By now all previous swimmers should have received an email to renew their membership. If you are new to YASC, we. ANY amateurs who have been accustomed to collect and preserve This new art, though in its infancy, is yet within the reach of many a young amateur, and it is. Practical Lessons in Metal Turning - A Handbook For Young Engineers And Amateur Mechanics Percival Marshall PRACTICAL LESSONS IN METAL TURNING.