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This is another variation of the
Benson type scope, although instead of a clamshell hinge the two
lenses rotate through the same axis about a central hinge. One side
of the ophthalmoscope is marked Plane. Rec No 350 669, 350 671. The
mirror on this side shows signs of ageing. The other side is marked
concave, Curry and Paxton's. London. Bickerton's dual retinoscope.
The concave mirror is in excellent condition.
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