Check the listing for details. Antique Gold Leaf Electroscope - Physics Instrument - 26 Cm - 19th Century. Condition: Used. Listed at 159.36 USD. Physics instrument used for the detection of electrical charges. This model consists of a clear glass bottle (500 ml) and a central stem. The sensitive part (gold leaves) is present at the bottom of the bottle. Gold leaves: Authentic, currently detached from their support and placed at the bottom of the vase (old sticky paper is attached to the end of the stem). Careful delivery by Mondial Relay (by default) or Colissimo (if requested, with supplement) for France and Colissimo International for the rest of the world. Shipping possible by Mondial Relay for certain European countries (contact me for the list of countries and prices). For the sake of eco-citizenship, my shipments are made with second-hand packages (from a DIY company). In the same spirit, the packing particles (chips) are bi.