From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Promotional flyer for Drake Lock-Nuts, featuring four customer testimonial letters and product details.
| Identifier | ExFiles\Box 77\5\ scan0223 | |
| Date | 15th July 1919 | |
| Document 1 (Top Left): UNION OIL COMPANY OF CALIFORNIA UNION OIL BUILDING LOS ANGELES, CALIFORNIA CHESTER W. BROWN MANAGER, FIELD DEPARTMENT July 15th, 1919. Drake Lock Nut Co. San Francisco, California. Gentlemen: Attention of Mr. Geo. F.{Mr Friese} Drake, Manager I am in receipt of your favor of the 14th inst., relative to the 1" Drake Lock Nuts purchased by us from you for use on Rotary drilling rig machinery, and in reply thereto wish to advise that these nuts have been giving excellent service, performing the work for which they are designed in a highly satisfactory manner. Very truly yours, P.J. Hall Superintendent Southern Division PHO Document 2 (Center Advertisement): DRAKE LOCK-NUTS TRADE MARK REGISTERED U.S. PAT. OFF. "NEVER JAR LOOSE" ¼ to 1" S. A.{Mr Adams} E.{Mr Elliott - Chief Engineer} ¼ to 2" U. S. S. to 3" TO ORDER Try Them on Your Upkeep Specify on New Equipment Are Made from Special Screw Steel Milled from the Solid Hexagon Bar With Greatest Care for Accuracy and Finish Document 3 (Top Right): Oliver Continuous Filter Co. 503 MARKET STREET SAN FRANCISCO, CALIFORNIA BRANCH OFFICE 299 MADISON AVENUE NEW YORK H.{Arthur M. Hanbury - Head Complaints} GORDON WALKER CABLE ADDRESS "OLICONFILT" EDWIN LETTS OLIVER C.E. M.E. April 1, 1919 Drake Lock-Nut Co., Folsom St.{Capt. P. R. Strong} at 10th San Francisco, Cal.{Mr Calvert} Gentlemen: Att. Mr. Geo. F.{Mr Friese} Drake, Mgr. Your Lock Nuts have been adopted by the Doak Gas Engine Co., the Oliver Continuous Filter Co., and the Oliver Mfg. Co., to the exclusion of all other types of lock-nuts, and you are at liberty to use these names in whatever way you see fit in your advertising, as we feel that your lock-nut is by long odds the very best lock-nut that has ever been placed on the market. Yours truly, OLIVER CONTINUOUS FILTER CO. E L Oliver ELO:S Document 4 (Bottom Left): C. L. BEST GAS TRACTION COMPANY INCORPORATED MANUFACTURERS OF BEST TRACKLAYER TRACTORS PLANT, SAN LEANDRO, CALIF. SAN FRANCISCO OFFICE, HOBART BLDG. PHONE GARFIELD 1886 C. L. Best, President D.{John DeLooze - Company Secretary} C. MONTGOMERY, Vice Pres & Gen Mgr. I. E.{Mr Elliott - Chief Engineer} STEVENS, Secretary JOHN H.{Arthur M. Hanbury - Head Complaints} BURT, Treasurer C. L. LATHAM JR.{Mr James Royce}, Sales Manager April 5, 1919 Drake Lock-Nut Co., 341 Mills Bldg., San Francisco, Calif. Gentlemen: Attention Mr. Geo. F.{Mr Friese} Drake We would be pleased to have you use our name in connection with your advertisements, as set forth in yours of March 29th. For your information will state that just now we are getting out a piece of literature in which you are getting special mention. The use of Drake Lock-Nuts on our tractors will unquestionably appear in all literature which we get out. This means that through this medium alone your product will be given publicity to a multitude of people annually. May call upon you later on for cuts of your nuts, which we may determine to use in connection with a special feature folder, which we are soon getting out. Yours very truly, C. L. BEST GAS TRACTION COMPANY. O.{Mr Oldham} L. Starr Advertising Manager OLS:M Document 5 (Bottom Right): TREASURE MINING Co 575 MILLS BUILDING SAN FRANCISCO, CAL.{Mr Calvert} Mar. 26th., 1919 Drake Lock-Nut Company, 1401 Folsom Street, San Francisco, Calif. Gentlemen:- We beg to state that the twelve 7/8" Drake Lock-Nuts which we purchased from you six months ago have given complete satisfaction, and we are more than pleased with them. We used these nuts to hold together the flanges of an eighteen inch diameter rawhide pinion which drives our large hoist at the mine. Before placing these nuts on the pinion we used the ordinary jam nuts and were never able to keep the same tight, owing to the constant vibration and to the fact that the rawhide swells. Since using your Lock-Nuts we have had no trouble whatever and we can highly recommend these nuts for any use wherein the vibration is excessive, since we cannot conceive of a more difficult test under which to place them than that which we have described above. Very Truly, TREASURE MINING Co By: F.{Mr Friese} W. Luding Manager. | ||