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A Hurter & Driffield's Actinograph Exposure Calculatorwith cylindrical mean light Calendar meter, sliding speed and exposure scale, and Table of F...
An American "Beckers" Stereoscopic Tabletop Viewerwith a rotating mechanism for 36 stereoviews, in need of some restoration
An Unusual American "Cadwell" Stereoscopewith innovative tilting lens assembly to allow viewing of 100 stereoviews back to back, housed within a r...
Ottway & Co 'Arclight' Theodolite. In maker's fitted box, with accessories. ...[more]
Pair of Small, Unnamed Night Vision Image Intensifying Binoculars. Focusing eyepieces and exit lenses. Note: Do not use in daylight or serious dam...
A Large, Freestanding Brass Field Microscope by John Browning & 3 Others. Top rack & pinion needs slight attention, otherwise signs of normal use....
A Working EEV Night Vision Monocular & a MASSIVE Collection of Spares. Image intensifying monocular fitted with a Cosmicar 16mm f1.4 C-Mount TV le...
Clockwork Psychrometer/Hygrometer by Casella, London. For measuring the temperature and humidity levels. Clockwork motor can be heard running (las...
A Large Old Brass Altitude/Pressure Gauge. Marked in "Lbs per square inch" and "Feet of Water". Slight foxing to internal paper dial. ...[more]
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