Description
Dark-grey paint over cast aluminium frame that has internal reflecting mirror and lens at front towards a smaller 'Rigel' mounted lens that is adjustable. From this lens there is a movable lens arm that sits underneath and is constructed of black painted stainless steel that supports a Waterworth-made prism lens. The top of the main body of the frame has the metal manufacture plate that reads 'Waterworth Hobart. Optical and Scientific Instrument Maker' in black font
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