| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 9A50.00 | X-Y, Chart Recorders | | |
| 9A50.01 | chart recorder pen | AJP 38(8),1046 | Use a Leroy reservoir pen on a Leeds and Northrup or Brown chart recorder. |
| 9A50.10 | projection plotter | AJP 46(10),1082 | Replace the X-Y recorder plate with a Fresnel mirror and use as the stage on an overhead projector. |
| 9A50.10 | X-Y projection plotter | AJP 30(6),439 | Apparatus
Drawings Project No 28: Mechanical and electrical construction plans for
a plotter designed to fit the 10x10 stage of an overhead projector. |
| 9A50.10 | projection x-y plotter | AJP 34(4),361 | A long extension arm translates the motion from an x-y plotter to an adjacent overhead projector. |
| 9A50.10 | X-Y projection plotter | 7-1.9 | An X-Y projection plotter, Pictures, Diagram, Construction details in appendix, p.537. |
| 9A50.10 | X-Y projector plotter | 7-1.11 | The Huston X-Y recorder is adapted for the overhead projector. Pictures. |
| 9A50.11 | x-y recorder | AJP 33(11),xvii | Two Heath Servo Recorders are used (non-distructively) to make an x-y recorder that is suitable for overhead projection. |
| 9A50.11 | X-Y projection plotter | 7-1.10 | An X-Y recorder is constructed from two Heath Servo Recorders without disabling either unit. Diagram. |
| 9A50.14 | spot follower attachment | AJP 37(9),861 | Two photocells in a bridge arrangement to attach to a chart recorder. Made for the Cavendish experiment. |
| 9A50.15 | cheap optical scanner | AJP 53(8),792 | Mount a photocell at the pen location of a computer controlled X-Y plotter. |