An ebonised barograph Retailed by Yeates and Son, Dublin, early 20th century The mechanism with eight segment aneroid chamber within lacquered brass armature operating via a system of pivoted levers an inked pointer for recording the change in barometric pressure on a clockwork-driven rotating paper-scale lined drum, the patinated baseplate numbered 1066 and with applied ivorine trade label inscribed YEATES & SON, DUBLIN, the bevel glazed case with mirror-backed four glass cover and cavetto moulded base with chart drawer to apron and on bracket feet, 36cm (14.25ins) wide. Condition report disclaimer
An ebonised barograph Retailed by Yeates and Son, Dublin, early 20th century The mechanism with eight segment aneroid chamber within lacquered brass armature operating via a system of pivoted levers an inked pointer for recording the change in barometric pressure on a clockwork-driven rotating paper-scale lined drum, the patinated baseplate numbered 1066 and with applied ivorine trade label inscribed YEATES & SON, DUBLIN, the bevel glazed case with mirror-backed four glass cover and cavetto moulded base with chart drawer to apron and on bracket feet, 36cm (14.25ins) wide. Condition report disclaimer
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