EILERT PRINTING COMPANY· INC TELEPHONE: 318 WEST 39TH STREET, NEW YORK 18, N.Y. LONGACRE 3-0300 February 1, 1951. Foundation for Economic Education, Inc., Irvington-on-Hudson, New York⢠Gentlemen: THIS ESTIMATE IS SUBMITTED SUBJECT TO THE TRADE CUSTOMS PRINTED ON THE BACK OF THIS QUOTATION. IF THIS QUOTATION IS ACCEPTED, IT IS MUTUALLY UNDERSTOOD AND AGREED TO INCLUDE THE TRADE CUSTOMS, WHICH ARE BINDING ON BOTH PARTIES. BOOK "MAINSPRING" Quantity: No. of pages: Tr...