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"Liquid Rocket Propellant Compatibility Testing."
Material-propellant compatibility as related to liquid rocket propulsion system design criteria is discussed and applicable test methods to derive usable design data are presented. Test methods, with emphasis on metallic materials, are discussed and the shortcomings of a number of these test methods are pointed out. These tests include static immersion tests, stress-corrosion tests, flow tests, impact tests, and tests to determine the effect of cracks and notches in metals on compatibility. A general outline for the evaluation of metallic and nonmetallic materials with respect to propellant compatibility is presented. -
"Liquid Rocket Engines."
This paper presents a discussion on liquid propellant rocket engines. The first part contains a discussion on liquid propellants, including a description of various propellant types such as cryogenic, storable,bipropellant, and monopropellant. This part also points out desirable physical properties and includes a section on performance outlining the methods by which performance is calculated and shows performance for various liquid rocket propellant combinations. -
"Liquid Hydrogen."
Review detailing the use of liquid hydrogen in Saturn rockets. -
"Liquid Hydrogen Technology, J-2 Engine."
subject of the speech is the application of oxygen/hydrogen technology the 5-2 engine system. -
"Lion Country Safari Aug 1973."
Footage of a family trip to Georgia. Included is early footage of Zoo Atlanta, the Little White House in Warm Springs, and the Callaway Gardens.
Callaway Gardens [10:10]
Little White House at Warm Springs [08:35]
Zoo Atlanta [00:06] -
"Lilly Lake -- Monte Sano."
This photo shows a scene at Lily Lake on the grounds of Col. James O'Shaughnessy's home on Monte Sano. According to the Historic Huntsville Quarterly, the structure in the foreground of the photo is a "four-tiered vertical framework covered with ivy, and reaching an impressive height of twelve feet or so." -
"Library - Lost Books" list.
This lists the missing library books alphabetically by author's last name. -
"Letter to the Vice President of the United States and White House."
This is an attempt to answer some of the questions about our national space program raised by The President in his memorandum to you dated April 20, 1961. I should like to emphasize that the following comments are strictly my own and do not necessarily reflect the official position of the National Aeronautics and Space Administration in which I have the honor to serve. -
"Letter to The President and White House."
Correspondance between the President and Hugh L. Dryden regarding administrative limitations of the President's power. -
"Letter to Professor John M. Logsdon."
Correspondance between Professor Logsdon and Welsh regarding Logsdon quoting Wernher von Braun's memorandum. -
"Letter to Professor John M. Logsdon."
Letter to Professor Logsdon from E. C. Welcsh denying Logsdon's request to quote Wernher von Braun and President Kennedy from their memorandums. -
"Letter to Professor John Logsdon."
Letter to Professor Logsdon from Donald F. Hornig granting Logsdon's request PSAC Men-In-Space panel report. -
"Letter to Mr. Walter D. Sohier."
This letter was attached to the edited transcript of the interview for the John F. Kennedy Library.; Archive copy is a photocopy. -
"Letter to Mr. Kurt R. Stehling."
Letter to Kurt R. Stehling from Julian Scheer answering on behalf of "Mr. Webb," stating that Kurt's "idea" was interesting and is to be given careful consideration. -
"Letter to Mr. Helmut J. Horn."
Letter to Helmut J. Horn from David L. Christensen informing that the University of Alabama Research Institute was awarded a NASA contract. -
"Letter to Mr. Harrison A. Storms."
Letter to Harrison A. Storms from George H. Lowe and Joseph F. Shea expressing concerns they have over the lack of positive actions taken by the NAA. -
"Letter to Mr. George M. Low. and Joseph F. Shea."
Letter to George M. Lowe and Joseph F. Shea from H.A. Storms president continuing a conversation that was left unfinished. -
"Letter to Mr. Frank L. Murphy."
Letter to Frank L. Murphy from David L. Christensen informing an awarding of a contract as well sa requesting documents. -
"Letter to Mr. Eugene M. Emme."
Letter to Mr. Eugene M. Emme from Donald F. Horneg regarding her request for her report to be read by Professor Logsdon. -
"Letter to Mr. David L. Christensen."
Letter David L. Christensen from W. Angele responding to a pervious request. -
"Letter to Mr. David L. Christensen."
Letter to David L. Christensen from Ralph I. Villers responding to a request from Christiansen. Enclosed is the material requested. -
"Letter to Mr. David L. Christensen, Research Associate."
Letter to Mr. David L. Christensen from Helmut J. Horn regarding the reports he requested. -
"Letter to Mr. David Christensen."
Correspondance between Edmund F. O'Conner and David L. Christianson in which Edmund encloses three documents to David and expresses his gratitude for David's work on the history of the Saturn V program. -
"Letter to Mr. David Christensen."
Letter to David L. Christensen from Ralph I. Villers responding to a request from Christiansen. Enclosed is the material requested. -
"Letter to Mr. D. R. Spotz."
Letter to D. R. Spotz from David L. Christensen informing an awarding of a contract as well sa requesting documents. -
"Letter to Lieutenant General Samuel C. Phillips."
Letter to Lieutenant General Samuel C. Phillips from George M. Lowe regarding what happened on the Apollo 6 flight. -
"Letter to Dr. Wernher von Braun."
Letter to Wernher von Braun from E.C. Welsch thanking Braun for his letter on June 20th regarding his thoughts on communication and meteorological satilites. -
"Letter to Dr. Wernher von Braun."
This letter asks for an oral history interview from von Braun concerning his conversations and visits with President John F. Kennedy.; Archive copy is a very poor copy. -
"Letter to Dr. Wernher von Braun."
Letter to Wernher von Braun from John M. Logsdon asking that Braun approves a request to quote his memorandum in his book. -
"Letter to Dr. Wernher von Braun."
Letter to Wernher von Braun from John M. Logsdon reiterating his request to use Braun's memorandum in his book as well as apologizing for any miscommunication. -
"Letter to Dr. Wernher von Braun."
Archive copy is a poor photocopy. Unable to read. -
"Letter to Dr. Keith T. Glennan."
Letter to Kieth T. Glennan from Ernst Stuhlinger regarding a potential meeting between Glennan, Wernher von Braun Horner and Ernst himself. Attached is a required resume. -
"Letter to Dr. Jerome B. Wiesner."
Letter to Jerome B. Wiesner from Jones B. Webb regarding requested documents as well as how they, as scientists, interact with the scientific community. -
"Letter to Dr. George E. Mueller."
This letter regarding designations for Apollo missions notes that "Unfortunately, the scheme for designating missions as stated in your message does not yet solve the problem of reserving the Apollo 1 name for Spacecraft 012 and its crew. As we have discussed with you and General Phillips in the past, the wives of the three deceased astronauts have made a special plea to reserve this Apollo 1 designation for Spacecraft 012 and the Grissom, White and Chaffee crew."; Archive copy is a photocopy.; In replay refer to: AB. -
"Letter Orders No 8-20".
The orders grant Edwin D. Burwell Jr. seven days of leave to Great Britain. -
"Letter from Mr. David L. Christensen."
Letter stating that "A review of the research origins of the Lance weapon system - Project Hindsight -Task 1 supplement" is inside as requested. -
"Lethal Weapons Too; Classified Information Even In This Fragile Form, Is Deadly In the Wrong Hands. Safegaurd It."
Lethal weapons and classified documents -
"Lethal Weapons Too; Classifed Information, Even on a Fragile Disk, Is Deadly in Wrong Hands.; Safeguard it!"
Lethal weapons and classified documents