$1200 A YEAR FOR LIFE Secured by Small Monthly Payments We are changing the production of Crude Rubber from the primitive and destructive method heretofore employed t the most scientific and economic plan known to modern forestry. No induatry ever underwent so radical a develop ment as we are now engaged in without making immensely wealthy those who accomplish the change. Mutual Rubber Production Co., scientific american, 1903-11-21


$1200 A YEAR FOR LIFE Secured by Small Monthly Payments We are changing the production of Crude Rubber from the primitive and destructive method heretofore employed t the most scientific and economic plan known to modern forestry. No induatry ever underwent so radical a develop ment as we are now engaged in without making immensely wealthy those who accomplish the change. Mutual Rubber Production Co., scientific american, 1903-11-21


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