LACUNOMETER: APPARATUS FOR SEMI-AUTOMATIC MEASUREMENT OF THE AVERAGE LENGTHS AND THE SPECTRA OF GAP LENGTHS IN NUCLEAR EMULSIONS

Journal Article · Wed Jan 01 04:00:00 EST 1958 · Helvetica Physica Acta (Switzerland)

OSTI ID:4291228

Weill, R; Joseph, C; Gailloud, M; Rosselet, Ph

The stage of the Koristka microscope M.S. 2 is driven by a phonograph motor. A cam moved by this motor produces electric pulses through a set of contacts. The pulses are transmitted by a morse key to a system which gives the mean value and the differential spectrum of gap lengths. The use of switching circuits and selectors enables one to build an apparatus much more simple and stable than those based on electronic devices. If the stage speed is kept at 0.4 mu m/sec, the error on mean gap length is 1 to 2% for "plateau" track, and 3 to 4% for a four time greater blob density. (auth)

• Research Organization: E.P.U.L., Lausanne, Switzerland
• NSA Number: NSA-13-000169
• OSTI ID: 4291228
• Journal Information: Helvetica Physica Acta (Switzerland), Journal Name: Helvetica Physica Acta (Switzerland) Vol. Vol: 31; ISSN HPACA
• Country of Publication: Country unknown/Code not available
• Language: French

Related Subjects

CIRCUITS
CONFIGURATION
DENSITY
DISTANCE
DISTRIBUTION
EFFICIENCY
ERRORS
GRAIN DENSITY
INSTRUMENTS
INTERATOMIC DISTANCES
MEASURED VALUES
MICROSCOPY
MOTION
MOTORS
NUCLEAR EMULSIONS
OPENINGS
OPERATION
PARTICLE TRACKS
PARTICLES
PLANNING
PULSES
RECORDING SYSTEMS
SERVOMECHANISMS
SPECTRA
STABILITY
SWITCHES
TESTING
VELOCITY