A fine French brass 3-inch refracting telescope  late 19th century  63 x 42 in. (160 x 106.7 cm.)

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Lot 51W
A fine French brass 3-inch refracting telescope
A. Bardou; Paris, late 19th century

63 x 42 in. (160 x 106.7 cm.)

Sold for US$ 3,660 inc. premium
Property of Various Owners
A fine French brass 3-inch refracting telescope
A. Bardou; Paris, late 19th century
with thumb wheel fine focus, the focusing system in the tube contains the eyepiece, and a hidden row of teeth (the rack) running along one side which are engaged by a simple gear (the pinion), to adjust focus. Adjustable height on center tubular post with
the original oak tripod stand (collapsible) with later applied brass decorations of three lion heads and three elephant heads, the legs ending in brass sabots. Signed on the endplate "A. Bardou - Paris".
63 x 42 in. (160 x 106.7 cm.)

Footnotes

  • A. Bardou was a prolific Paris maker of fine telescopes and optical instruments in the late 19th century, succeeded by Bardou & Sons. They supplied numerous American scientific instrument sellers. A trade catalog published in English by Bardou in 1911 recommended their line of telescopes with 3-inch lenses for terrestrial viewing of scenery such as mountains, as well as for basic astronomical observations, such as viewing the topography of the moon and features of the planets not visible to the naked eye such as Saturn's rings and Jupiter's moons.

    Literature:
    Bardou & Son., The Telescopes of Bardou & Son, Paris, France. Paris: 1911.
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