Vacuum tube bridge operates in two modes, tracing and fixed potential. It reduces plotting time by fifty percent and improves measurement precision.
Null type instrument for simplifying two dimensional field plotting
1970-04-01
Miscellaneous
No indication
English
Automatic track-plotting instrument for aircraft
Engineering Index Backfile | 1951
FIGHT TRAJECTORY PLOTTING DEVICE, FIGHT TRAJECTORY PLOTTING METHOD, AND PROGRAM
European Patent Office | 2017
|NTRS | 1988
|Automotive engineering | 1981
|NTRS | 1971
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