Ponthus & Therrode Rangefinder and a W. Ottway & Co. Naval Scope, 20th century, rangefinder with central rotating drum and ivorine vernier, prism telescope marked No. 62 with adjustable eyepiece, two brass plaques reading A. Hurlimann Ponthus & Therrode Successeurs Paris, original fitted mahogany box with label and directions pamphlet; cast aluminum naval scope marked on brass plaque in part W. Ottway & Co. Ealing, London No. 356 with dual eyepiece, brass adjustment shaft for cross-hair adjustment, sliding colored shades over the objective lenses, housed in its original maple box.
Ponthus & Therrode Rangefinder and a W. Ottway & Co. Naval Scope, 20th century, rangefinder with central rotating drum and ivorine vernier, prism telescope marked No. 62 with adjustable eyepiece, two brass plaques reading A. Hurlimann Ponthus & Therrode Successeurs Paris, original fitted mahogany box with label and directions pamphlet; cast aluminum naval scope marked on brass plaque in part W. Ottway & Co. Ealing, London No. 356 with dual eyepiece, brass adjustment shaft for cross-hair adjustment, sliding colored shades over the objective lenses, housed in its original maple box.
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