Jul 5, 2024
Branley Quadrant Electrometer, 1878 Starting bid: € 1.800 | Estimate: € 3.000 – 5.000 Consisting of a fine metal wire, a very light aluminum foil disc between four fixed brass sectors, a small mirror attached to the bottom of the suspended sector and a brass...
Jul 5, 2024
Bright’s Bell Acoustic Telegraph Sounder, 1855 Starting bid: € 1.800 | Estimate: € 3.000 – 5.000 Invented by Charles Bright, with 2 sounders, galvanometer and double relays, in mahogany superstructure, 15 x 10 x 13 in. -Note: This type of device was used...
Jul 5, 2024
Set of Ten Astronomical Magic Lantern Slides Starting bid: € 800 | Estimate: € 1.400 – 2.400 Krüss, Hamburg. Hand-painted rackwork slides in mahogany frames, 4 x 6 ¼ in., one embossed “Krüss Hamburg”, but all from the same series, numbered A (eight...
Jul 5, 2024
Interchangeable Sublime Harmonie Musical Box by Mermod Frères, c. 1890 Starting bid: € 3.400 | Estimate: € 6.000 – 8.000 No. 104695, with four six-air cylinders, 102 teeth in two-part comb (complete), crank-wind nickel-plated movement, tune-indicator,...
Jul 5, 2024
Kalliope No. 145 Disc Musical Box with 55 Discs, c. 1900 Starting bid: € 6.800 | Estimate: € 8.000 – 10.000 Manufactured by Kalliope Musikwerke, Leipzig, for 22 5/8 in. discs, originally coin-operated, with 145 teeth in four combs (complete), extra-wide bass...
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