• 31 Design and construction
• 31 Nuclear reactors
• 7 Amplifiers (Electronics)
• 6 Electronic circuits
• 4 Cloud chamber
• 3 Electric power supplies to apparatus
• 2 Alpha rays
• 2 Ionization chambers
• 2 Pulse generators
• 2 Pulse techniques (Electronics)
• 2 Pumping machinery
• 2 Signal generators
• 2 Vacuum pumps
• 1 Boxes
• 1 Control
• 1 Conveying machinery
• 1 Counting circuits
• 1 Electronic cameras
• 1 Equipment and supplies
• 1 Frequency discriminators
• 1 Humidity
• 1 Image analysis
• 1 Measurement
• 1 Neutrons
• 1 Oscilloscopes

• 6 Sands, M
• 4 Elmore, W. C
• 4 Titterton, E. W
• 2 Hering, D
• 2 University of Chicago. Metallurgical Instrument Shop
• 1 E.I. du Pont de Nemours & Company. Engineering Department
• 1 Higinbotham, W
• 1 Los Alamos National Laboratory
• 1 McDaniel, B. D
• 1 Monsanto Chemical Company. Clinton Laboratories
• 1 Simpson, J. A

• 33 English

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