Antique Bockett Microscope Oil Lamp by Collin's London gift Two electrodes leading from these

Two electrodes leading from these lyden jars can be moved and the distance between them varied

V= Velocity in meters/second

Weight: 70 grams

Although unsigned

Gemstones: Sapphire (marquise cut)

Antique Bockett Microscope Oil Lamp by Collin's London gift Two electrodes leading from theseBockett Antique Microscope Lamp by Charles Collins. Made in London, England circa 1900. Bockett Microscope Lamp, an apparatus for illuminating a microscope slide. Of typical form, the magnifying lens is set in a brass ring on an adjustable arm, the round brass base enclosing a glass kerosene lamp. The top of the base is engraved in capital letters, Collins, London Bockett Microscope Lamp. The Bockett model was available from Collins from at least