REFERENCES

REFERENCES SECTION E

E1: GRAVITATION AND ORBITS

E1-01: CAVENDISH EXPERIMENT - MODEL
Instructions Sheet, Measurement: Determining the Gravitational Constant, Klinger Educational Products, College Pt., NY, (9/7/94).

E1-11: POTENTIAL WELL - MODEL
None.

E1-12: MARBLE IN GLASS BOWL
None.

E2: ASTRONOMY

E2-01: WORLD GLOBE
None.

E2-02: MEASUREMENT OF RADIUS OF EARTH
Lecture Demonstration Information Sheet.
Zachary H. Levine, How to Measure the Radius of the Earth on Your Beach Vacation, TPT 31, 440-441 (1993).

E2-03: CRATER FORMATION MODEL
None.

E2-11: SOLAR PLASMA MODEL
None.

E2-12: FUSION MODEL
E. Kashy and D. A. Johnson, A model to illustrate forces in nuclear fusion, AJP 62, 804-806 (1994).
Lawrence Ruby, Letter: Fusion Simulator, AJP 63, 107 (1995).

E2-13: SUNSPOT MODEL
None.

E2-21: PHASES OF THE MOON
None.

E2-22: UMBRA AND PENUMBRA
None.

E2-23: UMBRA AND PENUMBRA - EXTENDED SOURCE
William Toews, Shadow Patterns from Extended Light Sources, TPT 29, 280-282 (1991).

E2-24: UMBRA AND PENUMBRA - COLOR FILTERS
None.

E2-31: SOLAR SYSTEM MODEL
Lecture Demonstration Information Sheet.

E2-32: EPICYCLE MODEL - PTOLEMAIC SYSTEM OF PLANETS
None.

E2-33: RETROGADE MOTION
Lecture Demonstration Information Sheet.
Stephen M. Adler, Retrograde Motion Demonstrator, Whitin Observatory, Wellesley College, August 1972.

E2-34: BASIC PLANETARIUM
Lecture Demonstrations Information Sheet.
Lesson Plan: The Orbiter Planetariums, Hubbard Scientific, 1971.

E2-35: PLANETS - RELATIVE SIZES MODEL
None.

E2-36: DENSITY STRATIFICATION - FORMATION OF PLANETS
None.

E2-37: PLATONIC SOLIDS AND KEPLER
None.

E2-41: TRANSPARENT CELESTIAL GLOBE
Visual Concepts of Astronomy, Trippensee Pub., Saginaw, Mi., 13-20, (1971).

E2-42: TELESCOPE MODEL
None.

E2-43: ROTATING STAR FIELD
Lecture Demostrations Diagram.

E2-44: BINARY STAR MODEL
None.

E2-45: ECLIPSING BINARY STAR MODEL - LIGHTS
None.

E2-46: ECLIPSING BINARY STAR MODEL - SPHERES
None.

E2-47: TWINKLING STAR
Jay S. Huebner and Terry L. Smith, Why Magnification Works, TPT 32, 102-103 (1994).
Jay S. Huebner and Terry L. Smith, Letter: More on Twinkling, TPT 32, 263 (1994).

E2-48: NON-TWINKLING PLANET
None.

E2-49: PULSAR MODEL -- RADIOWAVES
None.

E2-50: PULSAR MODEL -- FLASHLIGHTS
None.

E2-51: GRAVITATIONAL COLLAPSE - MODEL
Geoffrey T. Fox, Minimum Mass of a Neutron Star from the Semi-Empirical Mass Formula, AJP 41, 130-131 (1973).

E2-52: HYDROSTATIC EQUILIBRIUM IN STARS
None.

E2-53: STELLAR EVOLUTION - HYDROGEN BURNING
None.

E2-61: GALAXY MODEL
Jack Horne, Data on construction and scaling of model.

E2-62: SPIRAL GALAXY - WATER ANALOG
None.

E2-63: EXPANDING UNIVERSE
David Chandler, An Expanding Universe in the Classroom, TPT 29(2), 103-106, (1991).

E2-64: TYNDALL EFFECT WITH LIGHT AND RADIO WAVES
None.

E2-71: AUDIOTAPE 1 MIN - MILLISECOND PULSAR
None.

E2-72: AUDIOTAPE 14 MIN - NRAO PULSAR
None.

E2-73: AUDIOTAPE 18 MIN - SOUNDS FROM SPACE
Bruce E. Stasser, Sounds From Space, Bell Telephone Laboratories.