Periscope Sextant Mk 2A Calibrated by Fenns of Farnborough

Periscope Sextant Mk 2A Calibrated by Fenns of Farnborough

Later DC6 era pressurised planes could not use the perspex astrodome bubble fitted in the roof as in the DC4 / Catalina era planes, as the pressurisation would not allow the bubble window

Instead they had a special window frame built into the roof near the rear of the flight deck through which a periscope sextant was used

Straight out of Ministry use , comes in Aluminium black case with carrying handle

Dimensions :

Case 17.5 in height 12.5 in widest point

Periscope 16.5 in 42 cm length

7kg weight in case.

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