The Kelvin Hughes Periscopic KSH. 0203
Sextant
known as
The RAF Mk 1
Kelvin and Hughes offered the KSH 0203
to the civillian airlines and as the Mk 1 to the RAF.
It was an All Electric design with
switches used by the operator and an internal electric motor doing
the physical movements. Although designed for 24V they will work
quite well on 12V DC.
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