| Viscosity Oil Company | | Central Manufacturing District Chicago | Mr. H. E. Poronto, 1305 First National Bank Bldg. Chicago, Illinois. Dear Sir: Your inquiry as to how our original enthusiasm back in 1911, for the District, had worn for these few years, brings to our mind, naturally, first the success that we have attained in our business. Since locating in the District we have felt a general influence as a result of our being identified with the District and the men of which it is made up. There has been a stability of associates which seems to have reflected itself in our business, and if we are to judge by the volume and general increases we have had from year to year, we would say there has been a very marked influence. We lay the real beginning of the broadening of our success, to our new location. The remarkable growth of the District in this short period of years and the growth of the various enterprises represented in the District, are enough proof to us that our selection was wisely made. Permit us to thank you and your assistants, at this time, for the untiring attention that you have given to the details as they have come up in the natural course of intimate relation covering the past few years. We have adopted the mail address of the Central Manufacturing District, Chicago, for the simple reason that there is a bigness to it that has seemed to have had a real value. We are looking forward to the time when we will be a double capacity shipper over our present day figures. Very truly yours, VISCOSITY OIL COMPANY. Per /s/ W.D. Simmons S President.