Doc 0000173978

The image displays a graphic representation of a vault door, complete with intricate locking mechanisms and a prominent circular dial. To the right of the vault, text identifies the source of the document as "The Black Vault," an online database of declassified government documents, specifically noting its inclusion of the MKULTRA/Mind Control Collection. The text further states that over 20,000 pages of CIA-declassified documents are available for free download at a provided URL. No photographs, handwritten annotations, signatures, stamps, forms, or diagrams of experimental procedures are present. ! ,; • f •• September 29, 1966 - . Dear \ Attached are a few thoughts· related to items we discussed during my recent visit. Thanks to you and · -.' .l I feel tl!at the visit was extremely fruitful and trust that it will be possible to periodically . duolicate the experience. · . ~ . ----- . . . . By now you may have heard . lis due back this week. However, I have included some m1scellane.ous systems specs and costs for the ultrasonic signal device. I'm afraid I mislead, 1regarding a competing dog training kit. It turned out to be only a book containing instructions for making a home-made skinner box out of cardboard and mailing tubes. Thank you again for: the demonstrations, tours, and discussions which I provided . .. \ .-· ...... __ 1. Ultrasonic Signal Svstem Several commercially available sphericon "tweeters" advertise a restJonse up to 30-40 Kc. The literature which we have seen suggests that these clai~s need to be· supiJlemented by efficiency and power ratings at frequencies above 15 Kc. An inexpensive speaker which you might try is: Lafayette 21R6715 Sphericon Tweeter@ $14.40 (Lafayette Radio Electronics, 111 Jericho Turnpike, Syosset, L. I., New York). We could test these speakers and provide you with·approximate power levels radiated at various frequencies and iriput power,. select an app=-opriate amplifier and ocsillators~ · and ship the system to you . .. . . ~ •v ithin a period of about 2 weeks. Cost .for two variable frequency gene·rators, 30 watt amplifier, speaker, ~nd testing would amount to $325.00. 2. Field Detector for Ultrasound The sphericon _speakers can be used as rather crude and cheap .. . . . microphones and coul~ provide a simple technique for determining if ' moderate to large amounts of ultrasonic energy are being radiated in • the field. You could filter the output of one of the above speakers, amplify, and display the signal voltage on a meter. The microphone would have to be positioned close to the speaker. If we were to supply the signal system we could also provide a self-contained detector system for an additional $115. 00. Because of the many transmission problems associated with ultrasonic energy in the presence of wind or thermal gradients it .. -2- ·· , would be advantageous to consider an r. f. command system and signal generation at the platform. also provide a self-contained detector system for an additional $115. 00. Because of the many transmission problems associated with ultrasonic energy in the presence of wind or thermal gradients it .. -2- ·· , would be advantageous to consider an r. f. command system and signal generation at the platform. To evaluate the training problems associated with the generation of signals at the beast you could assemble a low cost model plane R. C. system which gates ultrasonic signal oscillators to • an electrostatic transducer. It is possible that the transducer could be eliminated if sufficient ultrasonic energy is radiated directly from the oscillator components, in which case the R. C. would have to switch the oscillators on and off. Weight should be less than 4 oz. using off- the-shelf inexpensive gear. --···1c~uld assemble such a system and evaluate the circuit component radiation if desired. ----------- _______ 3. ..... -- - ~ .. - ....... ~; --- o_.~ dered fr~m: (can be . ···~· -- . -· I It might be simpler and less expensive to effect recall by merely 1 l 4. ):Release R. F. command receiver /actuator packages can be constructed which , weigh less than \ To prevent ·undesired release \""' . \ . .. ., :-- .~ -3- by chance interference a logic circuit would be desirable, but this could consist o!"' - ------ -,{ For training purposes a lo~v cost model R. C. unit can be used. A test unit can be purchased directly from a model supply house (such as those described in the advertisement left with you.) If the available model units prove too heavy or unsuitable for your application -- ------ ... - \ ~~uld assemble a low cost receiver/ actuator pkg. -]and is tailored to your training situation. . -~ The document is a typed letter dated September 29, 1966. It features a handwritten annotation in the upper right corner with the text "1.0.00万 1966" and a red circled number "268" at the bottom right. There are also some faint lines and scribbles in the margins and at the bottom of the page which appear to be part of the original document's layout or unrelated markings. The content of the letter discusses a recent visit, potential future visits, and the nature of a "dog training kit" which appears to be a book of instructions. There is no visual evidence of experimental procedures, equipment, or facilities. The page is from a typed document, with several handwritten annotations and lines that appear to be part of a diagram or organizational chart. There are no photographs, official stamps, forms with filled-in fields, or tables. The text discusses ultrasonic signal systems and field detectors for ultrasound, suggesting technical subject matter. One section appears to have a partial tabular layout with item numbers and descriptions, but it is not clearly structured data. There are no visual elements that directly depict experimental procedures, equipment, or facilities beyond textual descriptions. The document is a typed page with handwritten annotations and several drawn elements. Visually, there are no photographs of people, locations, equipment, or subjects depicted. The page contains a handwritten number "2-" at the top, and a number "3." and "4." further down, along with a handwritten box labeled "Release." There are also bracketed handwritten notes: "[can be ordered from:]" and "[could assemble such a system]", as well as another bracketed note "[To prevent undesired release]". The page includes some faint, freehand drawings that appear to be schematic representations or flow diagrams, including a curved line with a dot and a more complex, curved line structure. There are no official stamps, redacted content, forms with filled-in fields, diagrams, schematics, or organizational charts that are explicitly recognizable as such, beyond the aforementioned drawings and handwritten marginalia. The page contains typed text that appears to be part of a report or manual, with the page number "-3-" visible near the top. There are also several handwritten annotations in the margins, including a bracketed phrase "For training" and "could assemble" with an accompanying bracket that spans several lines of text. The text discusses logic circuits, model R.C. units, and their suitability for training situations. There are no photographs, stamps, forms, diagrams, tables, or visual evidence of experimental procedures visible on this page. The content is primarily textual.