Dating bardou telescopes dating out of your social class

LONDON,” as beautifully hand-engraved on the eyepiece barrel.

This 2-draw hand-held telescope has a lovely solid cherry wood main barrel which is in exceptional original condition.

The 3 inch achromatic objective lens is signed internally “Bardou.” With its 4 element erecting lens system the telescope provides a spectacular, highly magnified upright image of crystal clarity. The draw, operated by a precise rack and pinion focusing system, measures 18 inches long. It is supported on a freely training and elevating brass yoke mounted to a brass and mahogany support strut 20 inches high.

dating bardou telescopes-51

Another is the draw tube wtih early form “nipple” eye piece which pulls out of the end of the main barrel with no stop – a feature added to most telescopes around 1775!

Adding to its value and appeal this telescope was decoratively wrapped in ‘small stuff’ (using sailor terms) in a seamanlike manner and then tarred.

Indicative of its early origins the objective lens is pre-achromatic, meaning it is a simple single lens which predates Dollond’s introduction of the achromatic lens in 1758.

Also telling of its great age are two other significant features.

On the top, the barrel isl labeled with the Bush trademark in gold, “C. The ocular end of the main barrel is engraved “BARDOU & SON PARIS” and is further marked with the firm’s “Trade Mark” of a “G” and “B” flanking a Caduceus -- the sign of commerce.

This impressive 19th century optical instrument is all brass, mounted atop its handsome mahogany and brass tripod.

The wood shows good age free from cracks, chips or scratches.

Precise focusing is accomplished by turning the large knurled focusing knob on the observer’s right, which operates with a smooth, tight action.

The cylinder contains an array of ingenious liquid-filled glass vials and other intricate glass objects enclosed in glass. I.” having an outline of his kaleidoscope, then “PATENTS REISSUED NOVEMBER 111873.” What makes this model “deluxe” is his patented quadrapedal walnut stand with legs which can be removed for transport. As such the demand for authentic examples is very keen.

These unique items were a source of yet another Bush patent. Auction sales of these scarce instruments show prices of

This impressive 19th century optical instrument is all brass, mounted atop its handsome mahogany and brass tripod.The wood shows good age free from cracks, chips or scratches.Precise focusing is accomplished by turning the large knurled focusing knob on the observer’s right, which operates with a smooth, tight action.The cylinder contains an array of ingenious liquid-filled glass vials and other intricate glass objects enclosed in glass. I.” having an outline of his kaleidoscope, then “PATENTS REISSUED NOVEMBER 111873.” What makes this model “deluxe” is his patented quadrapedal walnut stand with legs which can be removed for transport. As such the demand for authentic examples is very keen.These unique items were a source of yet another Bush patent. Auction sales of these scarce instruments show prices of $1,500 and up, depending on condition, especially for the rare deluxe models. Finest professional grade floor standing tripod telescope.Each leg measures 52 inches long and is fitted with a brass ferrule at its tip.

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This impressive 19th century optical instrument is all brass, mounted atop its handsome mahogany and brass tripod.

The wood shows good age free from cracks, chips or scratches.

Precise focusing is accomplished by turning the large knurled focusing knob on the observer’s right, which operates with a smooth, tight action.

The cylinder contains an array of ingenious liquid-filled glass vials and other intricate glass objects enclosed in glass. I.” having an outline of his kaleidoscope, then “PATENTS REISSUED NOVEMBER 111873.” What makes this model “deluxe” is his patented quadrapedal walnut stand with legs which can be removed for transport. As such the demand for authentic examples is very keen.

These unique items were a source of yet another Bush patent. Auction sales of these scarce instruments show prices of $1,500 and up, depending on condition, especially for the rare deluxe models. Finest professional grade floor standing tripod telescope.

Each leg measures 52 inches long and is fitted with a brass ferrule at its tip.

,500 and up, depending on condition, especially for the rare deluxe models. Finest professional grade floor standing tripod telescope.

Each leg measures 52 inches long and is fitted with a brass ferrule at its tip.