Does anyone know the significance of the letters for the symbol tubes?
> All symbols of Tesla ZM1047 (T S F N Z Y G H M X).
Are those letters particularly useful?
> All symbols of Tesla ZM1047 (T S F N Z Y G H M X).
Are those letters particularly useful?
Sources:
X, Y, Z for a digital readout on a CNC machine
M, G, T are SI prefixes
S, F, N, H are units
It’s also likely that they have meanings in German or another language I’m not familiar with. Large tubes like these have been used in elevators, so they could be floor designations.