Demonstration Siren for Acoustic Studies signed E. Leybold’s Nachfolger from the 1900 circa. The instrument retains about the 95% of the original lacquer finish and is in working order. Silvered dial (tarnished by oxide) with 2 hands (linked to 2 different gears for counter readings). The fruitwood base is for display (included in the sale).
Tall (with wooden base) 27 cms circa.
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Based in Florence, Italy, I have been collecting antique scientific instruments for the last 10 years. Some years ago I decided to turn this passion into my job, so I opened my personal website to sell all over the world. Thanks to my experience I managed to gain my client's trust offering an accurate service and good quality items. I sell all kinds of scientific instruments, especially French and Italian drawing sets. For more info you can contact me via email - email@example.com