Early Demonstration Van Der Graaf Generator by Physica Ships Barometer They also republished Martin’s works

They also republished Martin’s works on microscopes and globes

This superior example of its type is comprised of an oak body with a cistern cover richly ornamented with a central floral motif

The original machine was invented by physicist Robert J

“Treatise on Meteorological Instruments” with advertising that stated that

common during the period

Early Demonstration Van Der Graaf Generator by Physica Ships Barometer They also republished Martin’s worksFor sale, a rare mid twentieth century Van Der Graaf Generator by Physica This rare and early example is comprised of a Bakelite rectangular base with input to the front for an additional discharge wand and the manufacturer transfer to the front stating Physica. It has a circular handle incorporated to the side with a groove cut out in order to attach the generator to an external motor. Two lucite struts support the upper and lower rollers which hold