| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 7D40.00 | NMR | | |
| 7D40.10 | NMR gyro model | PIRA 1000 | |
| 7D40.10 | NMR - gyroscope model | 41-4.1 | A modified gyroscope model of NMR. Diagram, References, AJP 29(10),709. |
| 7D40.11 | NMR - gyroscope model | 41-4.2 | A gyroscope with a permanent magnet is placed on like poles of an electromagnet. |
| 7D40.12 | NMR - gyroscope model | 41-4.3 | A gyroscope model designed to show the magnetic transitions when the field and Larmor frequency are identical. |
| 7D40.13 | NMR - Maxwell top model | AJP 29(10),709 | The
top post of the Maxwell top is constrained by rubber bands attached to a
frame to demonstrate the "flopping" of the magnetic moment vector which increases
or decreases the precession angle. |
| 7D40.13 | Larmor precession model | 41-4.4 | A
spinning gyro over an electromagnet demonstrates Larmor precession. Diagram,
Picture, Construction details in appendix, p.1392. |
| 7D40.15 | magnetic resonance | AJP 31(6),446 | A
small magnet suspended driven with Helmholtz coils will oscillate at a particular
frequency, but at a different frequency if a static field is applied at right
angles. |
| 7D40.16 | Larmor precession | A-6a | A bicycle wheel gyro used to show Larmor precession. |
| 7D40.20 | NMR - air bearing gyro model | AJP 33(4),322 | An air bearing gyro with Alnico magnet in the ball and Helmholtz coils. |
| 7D40.20 | air gyro in Helmholtz coils | 41-4.5 | NMR principles are demonstrated with an air gyro mounted between Helmholtz coils. Diagrams, Reference: AJP 33(4),322. |
| 7D40.22 | Magnetic top in Helmholtz coils | 41-4.6 | An
air driven magnetic top mounted between Helmholtz coils demonstrates spinning
dipole interaction with external fields. Pictures, Construction details in
appendix, p. 1393. |
| 7D40.30 | spin echo spectrometer | PIRA 500 | |
| 7D40.30 | spin echo spectrometer | AJP 42(1),58 | Design and construction of a simple pulsed NMR spectrometer, used first in a high school physics class. |
| 7D40.30 | spin echo instrument | 41-4.7 | Four demonstrations with a simplified spin echo instrument. |
| 7D40.31 | NMR "grid dip" method with cobalt | AJP 31(1),58 | A bottle of powdered cobalt, a grid current meter, and a tuned oscillator show a small dip in grid current at resonance. |
| 7D40.40 | NMR with fixed field | AJP 43(8),747 | Block diagram of a method to demonstrate NMR in a fixed field by sweeping and modulating the frequency. |
| 7D40.40 | magnetic resonance demonstration | AJP 42(12),1057 | A description of a simple and inexpensive demonstration model of pulsed magnetic resonance effects. |
| 7D40.40 | simple NMR spectrometer | AJP 34(4),335 | Circuits for a simple NMR spectrometer. |