| Description | Nobert provides a physical description of the glass plate, which is 18 inches in length, 9 inches in breadth and 1.5 inches in thickness, with one polished side. He then describes the use of the plate in experiments.
Includes one page of figures of the plate's use in experiments on light. Annotations in ink throughout.
Subject: Scientific apparatus and equipment / Optics
Received 16 April 1851. Communicated by Michael Faraday, with corrections in his hand. |