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General Description of the AlphaTrack
Design of the Scanning System
Design of the Optical System
2 other sections not shown
actuated align alpha particles alpha spectrometer Alpha-track counter amplitude discriminator angle axis balsam base plate Canada balsam Cardioid circular area collimated light collimating lens components counting integrators dark-field adapter Dark-field stop deflection diode drive pulley drrie electronic chassis electronic system electronic waveforms emulsion frequency gear given strip graphic plate grid input pulses instrument integrator change-over relay lead screw light source long dimension Longitudinal limit Longitudinal microswitches longitudinal motor maximum-time discriminator microscope objective minimum minimum-amplitude discriminator modulation system mounted multivibrator NATOR normal nuclear tracks number of tracks ocular slit optical system output trigger circuit output-trigger circuit pair of quadrants phase photocell photographic plate photomultiplier plate holder plot polarizer Polaroid modulation positioning screw pulse train Radiation Laboratory relay coil reversing relay Scanner bed Scanner carriage scanning system Speedomax recorder split nut spurious signals Strip 1 Strip substage condenser Transverse drive transverse motor transverse plate transverse stage tube tuned amplifier voltage volts zirconium