I remember these still running in the 1970s, so I don't believe that the last one finished in 1966.
ma261065 1 month ago
That is sooo cool. An obvious natural progression from the orignal semaphore signals.
FranzAntonMesmer 8 months ago
I remember these still running in the 1970s, so I don't believe that the last one finished in 1966.
ma261065 1 month ago
That is sooo cool. An obvious natural progression from the orignal semaphore signals.
FranzAntonMesmer 8 months ago