A Georgian Mahogany Stick Barometer The dome-topped ivorine dial with vernier scale and thermometer signed Ramage Aberdeen. The mercury tube having a hemispherical cistern cover, 36” (91 cm) overall length.
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A Georgian Mahogany Stick Barometer The dome-topped ivorine dial with vernier scale and thermometer signed Ramage Aberdeen. The mercury tube having a hemispherical cistern cover, 36” (91 cm) overall length.