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McLain’s System Lesson One Composition of Iron by David McLain 1920
McLains System Lesson One Composition of Iron by David McLain
Mixing Irons, Semi-steel and Cupola practice
Copyright 1908, 1920
48 pages
Pages 21-28 are loose from the staples
Mclain's SYSTEM
By DAVID Mclain
Lesson One
composition Of Iron
how To Get The Best Results From A Study
OF Mclain 'S SYSTEM.
Before you begin a study of the lessons, please be guided by the following advice in order to prevent future misunderstanding.
Give the general information in the lessons careful perusal.
Write answers plainly on question papers and if more space is necessary, use back of sheet or extra paper.
Begin on Lesson One-study it-then fill in the answers to questions, return to this office and ask for any information necessary to a clearer understanding of the subjects treated in that lesson; do the same with Lesson Two, and continue thus until the course is completed.
Replies to all questions will be found in the lessons, and in searching for them, you will absorb much valuable information which otherwise might be overlooked.
For your own good, don't merely copy the replies to questions --give each one the proper thot and plan how you could apply the advice in actual practice.
Save all correspondence, especially the criticisms and remarks on subjects discussed with the return of the question papers.
Just as you bought the lessons on our advice, we now urge you to accept our further advice and return papers promptly. Remember it means work and expense for us, but we want you to' accomplish the best results, therefore be guided by the rule applied to more than 3500 other clients in all parts of the world.
Some foundrymen object to filling in the question papers, claiming they have been at the business all their lives. Well and good; then it will only require a few minutes to fill in the papers and also prove to us that the student is ready for a further discussion of his practice and our copyrighted ideas.
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