Vintage Glass Cloche Dome Bell Jar Science Apothecary Dome

Description

Vintage heavy Glass Cloche Dome Bell Jar science lab.
Measures 12.5 inches tall and is in excellent condition for its age.
Has some straw marks in glass typical of these type of pieces.
Glass base is 1/2 inch thick, and the piece weighs 8.12 pounds. Diameter is 8 inches.
19th century electroscope Newman London electroscope. John Frederick Newman. We accept proposals Electroscope of the 19th century BE THE FIRST TO EVALUATE THIS PRODUCT IN STOCK QUICK DESCRIPTION Electroscope of the 19th century. John Frederick Newman. electroscope is a device that aims to indicate the existence of electrical charges, that is, to identify whether a body is electrified. It was invented by the physician and physicist William Gilbert around 1600, with the aim of deepening his knowledge in electrostatics. The electroscope has been improved and modified over the centuries, nowadays, the electroscope is used in science teaching, in order to understand the effects of electrification and electrical force, as well as the relationships between electrical charges. Leaf electroscope - when approaching with an electrically charged object with a positive charge (stick), on the top there will be electrostatic induction and with that the upper metallic part will have negative charges, on the other positives.