A collection of letters, memos, reports, brochures & photos related to Reverse Osmosis processes. Examples are: One photocopy of letter from San Diego City Manager Walter Hahn, Jr. to Col. Robert J. Malley (Dist. Engineer, U.S. Army Engineers) & cover letter from Bill Mockler (Adm. Asst. to Mayor Curran) (4/70) re/ “extension of Bay Study to include offshore land masses” in regard to “long range planning for a modern international airport;” two letters from C.M. Wong (Dir., Office of Saline Water, U.S. Dept. of Interior) to Dr. Fred R. Leonard (V.P., Marketing, Havens Ind.) (Sept.-Oct. 1969) re/ “low-temperature testing of Haven reverse osmosis modules;” l letter from Mrs. Lorraine M. Leonard (V.P., Havens Ind.) & reply from Paul Tsompanas (Adm. Asst. to Wilson) (Jan.-Feb. 1969) re/ profitability of company & “possibility of going public later this year;” 1 letter from David G. Stephen (Act. Assisted Federal. Water Pollution Control, Department of Interior) & reply from Paul Tsompanas (1/69) re/ request for “copy of the patent clause referred to in Contract No. 14-12-184 with Aerojet General Corporation;” small, stapled packet containing corresp. from Mrs. Lorraine M. Leonard (Havens Ind.), Paul Tsompanas & Congressman Wilson (12/68) re/ Aerojet contract and need for more information on patent clause; small, stapled packet containing corresp from Congressman Wilson, Norman W. Tolle (Tolle Co.) (Nov.-Dec. 1968) re/ Havens Industries as client of the Tolle Co. & tour of Haven Plant for Wilson, San Diego Chamber of Commerce meeting & our need to give “a fresh look at Bob’s campaign strategy and tactics;” large, stapled packet containing corresp. (Sept.-Nov. 1968) from Paul Tsompanas, Edmund J. Grant (Asst. Commissioner for Adm., Federal Water Pollution Control, Dept. of Interior) , Congressman Wilson, Mrs. Lorraine M. Leonard (Havens Ind.), Margaret M. Young (Sec. for Wilson), David G. Stephens (Act. Asst. Com. R&D, FWPCA, Interior) & J.A. Hunter (Dir., Office of Saline Water, Dept. of Interior) & photocopies of “Information Sheet on Research and Development Contract” to Aerojet-General Corp. for “‘Renovation of Municipal Wastewater by Reverse Osmosis Systems’” (1 page), Desalting Digest, Mar.-Sept. 1968 (2 pages), title page to Aerojet-General, Corp., The Mechanism of Desalination By Reverse Osmosis (U.S. Dept. of Interior, PB 181571) & p. R-1 of Report No. 2661 “Reference;” 1 letter from Congressman Wilson to Maurice A. Lynch, Jr. (Pres., Havens Industries) & news clippings from Evening Tribune & El Mexicano (7/11/68) re/ Mr. Lynch’s appointment as Havens President; 1 letter from Maurice A. Lynch, Jr. (Ex. V.P., Havens) & Congressman Wilson response (6/68) re/ Mr. Lynch’s move from Union Carbide to Havens Industries; stapled packet containing 1 letter from Mrs. Lorraine M. Leonard (V.P. Havens) to Paul Tsompanas (4/26/68), copy of p.2 of 4/4/68, “Water Desalination Report,” & 2 copies of H.R. 11037, 90th Congress, 1 Sess. (6/20/67) “A Bill To Amend the repayment contract with the Foss Reservoir Master Conservancy District....;” stapled packet containing corresp. from Mrs. Lorraine Leonard, Congressman Wilson & office notes (Mar.-Ap. 1968) re/ National Pollution Control Conf. in Houston, TX, Foss Reservoir Clean Up (Bureau of Reclamation) & S.D. South Bay Sea Water Pilot Plant; 1 copy of the letter from Congressman Wilson to Dr. Glen G. Havens (Pres., Havens Industries) & draft copy (2/8/68) re/ Wilson’s association as stockholder & V.P. of the Tolle Company & welcoming Havens Indus. as a client; copy of page X-1 & X-2 of The San Diego Union (1/9/68) re/ “Distinguished Companies Attracted in ‘67” & “Big Future in Purifying Sea Water;” small packet containing letters from Paul Tsompanas, Mrs. Lorraine Leonard & photo of “OSMOTIK PROCESSOR” (Ap.-May 1967) re/ “the Army has been running tests for about a year on three reverse osmosis units, one built by your company, another by Aerojet General and a third by General Atomic; stapled copies of letters from Paul Tsompanas & Congressman Wilson & news clippings, “ Desalting Expert Broadens Scope,” The San Diego Union (1/10/67) re/ “possible use of low-cost water desalting units in water-short areas of Vietnam” for both U.S. troops and Vietnamese villagers; paper clipped packet containing 1 letter from Mrs. Lorraine Leonard to Congressman Wilson (1/24/67) “enclosing for your information a complete set of our literature.” These include “Press Release [1/11/67]: Ceremonies on Delivery of ‘OSMOTIK’ unit to Mexican Navy,” 2 pages of photo & text of “Portable Brackish Water Conservation Unit...A 3,000 gallon per day Portable Unit....[and] Complete Mobile 10,000 gallon per day Unit,” stapled copy of “Price Guide to Havens Portable & Mobile Brackish Water Conversion Units” (4 p.), 1 photo of Dr. Havens & mobile reverse osmosis unit delivered to the Mexican Navy & Havens Industries, Sea Water Conversion (10 pages) (March 1964); 1 letter from Robert R. Freistedt (Pastor, Ascension Lutheran Church) to Congressman Wilson (1/16/67) re/ the possible use of the Havens Industries’ reverse osmosis system in the Mekong Delta of Vietnam; news clipping from El Mexicano (1/12/67) re/ presentation of “OSMOTIK” unit to Mexican Navy.