Precision scale by Becker, Brussels. In perfect condition, twentieth century.
技术及科学仪器拍卖会(顶级)
Brass tools for clockmakers. Compas 26 Lignes. 2nd half of 19th century - France.
Surveyor's compass engraved F.W. Breithaupt & Sohn (Hesse Kassel) 1263 - German - late 19th century
Original Grammont system Eurieult Paris - Hygienophone - type 10
Unique and original antique wooden telephone exchange for 20 lines first quarter of the 20th century
Stroborama Levallois Perret, old stroboscope, 20th century
Henri Morin pocket thermometer, compass and aneroid barometer combined into one instrument.
Old navy aneroid barometer with Reaumur thermometer and Fahrenheit thermometer.
Replica brass gimble mounted marine barometer signed Dejoka London