THE MATHIESON ALKALI WorKS (inc. ยป . . MANUFACTURERS OF CHEMICALS EXECUTIVE OFFICES + ar 60 EAST 42No STREET REG. U. S. PAT. OFF. NEW YORK, N. Y. CUSTOMER'S ORDER NO. CREDIT nop, 7639 CREDIT DATES E PT 30 1936 - CREDIT UNIVERSITY OF KANSAS TO LAWRENCE KANSAS SHIPPED TO FOR CUSTOMER'S USE ONLY REGISTER NO. VOUCHER NO. F. 0. B. CHECKED TERMS APPROVED PRICE APPROVED CALCULATIONS CHECKED TRANSPORTATION FREIGHT BILL NO. AMOUNT MATERIAL RECEIVED 19 DATE SIGNATURE TITLE SATISFACTORY AND APPROVED ADJUSTMENTS ACCOUNTING DISTRIBUTION ORIGINAL INVOICE NO. AUDITED FINAL. APPROVAL. ORIGINAL INVOICE DATE DESCRIPTION POUNDS PRICE AMOUNT TOTAL 1 105 CHLOR INE CYL 25998 5/22/35 MEMO TARUIPILUGAN We CREDIT PAT, NO. 1,797,775 @