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Joseph Henry Project

Michael Littman

Crystal Triode

Crystal Triode

Crystal Triode Electronics-1948-09

 

  • Related Sites
    • The Art and Science of Motorcycle Design
    • Experimental Methods I
  • Joseph Henry
    • Meet the interns
    • Joseph Henry (1799-1878)
      • Insulated Copper Coils
      • Lord Kelvin’s Address
      • Receipts
      • Self Inductance
      • Yale Electromagnet
        • Silliman – Henry Correspondence
    • Contributions to E&M
    • 3D Lens
    • 3D Scanner
    • Albany Electromagnet
      • Experiment Outline
      • Analysis
      • Henry’s Magnet Today
    • Albany Pictures
    • Arago’s Disc
    • “Big Ben”
    • Bohr-Sommerfeld
    • Boy 35E
    • Bridges
    • Campus Plan
    • CNC Milling Machines
    • Chemical Scale
    • Crayola Melt n Mold
    • Creo – Mold Making
    • Cyrus Brackett
    • Daniel Davis, Jr.
    • De la Rive
    • Dynamo
    • Earth Return
    • Eddy Currents
    • Edison Ampere Meter
    • Electric Guitar Pickup
    • Electric Light
    • Electric Motor
      • Animations
    • Euler Buckling
    • Faraday Unipolar Generator
      • Accuracy of COMSOL Unipolar Generator
      • Faraday’s Flux Rule
      • Faraday Motor
    • Felix Savary 1827
    • FlashForge
    • Galvanic Battery
    • Galvanometer
      • History
        • Oersted’s Law Apparatus
      • Deflection
        • Sine Galvanometer
      • Leveling Screws
      • Schweigger’s Coil
      • Astatic Needles
        • Student Notes
      • Two Types of Galvanometers
      • Theories
        • Oersted’s Theory
        • Ampere’s Theory
          • Henry’s Explanation
        • Modern Understanding
      • Excerpts
      • Galvanometer picts
    • Gears
    • Henry & Bell
    • Henry & Radio
      • Lightning
    • Huygen’s Clock
    • Hydrogen
    • Induction Coils
    • Jacob Green
    • John Witherspoon
    • Joseph Henry House
    • Kelvin Water Drop
    • K’Nex Parts in Creo
    • Maclean Jr. History
    • Measurement of magnetic field strength
      • Experiment results
      • Henry’s method
      • PASCO Magnetic Field Sensor
      • Savary’s method
    • Mechanical Differential Analyzer
    • Michael Faraday
    • Mojo 3D Printer
      • Fusion 360 Nameplate Tutorial
      • Creo (Advanced) Nameplate Tutorial
    • Oersted
    • Ohm
    • Oscillatory Discharge
      • Experiments
      • Frequency analysis
      • Henry’s study
      • LC Circuits
      • Leyden jar
      • Modern Recreation
      • Wimshurst
    • Othermill
    • PDP-8/L Restoration
    • Permanent Magnet
      • Magnet Demonstrations
    • Photophone
    • Pinball Restoration
      • Brief History of Pinball
      • Info/Rules for Space Odyssey
      • Playing Space Odyssey
      • Restoration Process
      • Websites
    • Powerpoints
    • Quanser
    • Relay
    • Resources
    • Ribbon Coils
    • Rittenhouse
    • Riverside
    • Solenoid
    • Solid Rectifier
    • Spark
      • Make-and-Break Circuit
      • Charles Page Induction Coil
      • Cenco Make-and-Break
      • Ford Model T Buzz Coil
    • Steadman Buildings
    • String Oscillograph
    • Telegraph
    • Telephone
    • Tesla
    • Thermo-Electric
      • Seebeck Effect
        • Seebeck Effect Models
        • Seebeck Effect COMSOL Modeling
      • Classnotes
      • Declarative Statements
      • Experiment
      • Henry apparatus
      • Display Labels for the Device
      • Presentation (REACH)
      • References
      • Thermo-multiplier
    • Titusville
    • Transformer
    • Unix and C
    • Volta
    • Wire Recorder
  • Greeenleaf Pickard
  • Test Zoom API
  • Titusville
  • Henry’s Explanation
  • Tesla
  • Summer 2018
  • Maclean Jr. History
  • Kelvin Water Drop
  • James Joule
  • Boy 35E
  • Readings
  • Huygen’s Clock
  • Joseph Henry (1799-1878)
  • Insulated Copper Coils
  • Lord Kelvin’s Address
  • Receipts
  • Crystal Triode
  • Littman data
  • Journeys
  • Laguna IQ
  • Waterjet
  • Ampere Frame
    • Joseph henry/ Henry Clay Cameron Lecture 59 notes summarized
  • COMSOL
    • COMSOL 6.2 Models Summer 2024
    • Calculating the Torque of a Magnet
    • Magnet Through Copper Tube w/ Moving Mesh
    • Finding Force on Rotating Bar from Oscillation Frequency
    • COMSOL LIMITATIONS
  • Finding Force on Rotating Bar from Oscillation Frequency
  • Calculating the Torque of a Magnet
  • Ampere Frame
  • Anthony Sefa
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