Antique Elliott Bros London Scientific Instrument Marine ? No. 230 19th Century

Description

For your consideration is a Antique Elliott Bros London Scientific Instrument. I do not know what this instrument is. I know the company made a lot of marine/nautical instruments. Piece is marked "Legal OHM at 16* 2C No. 230 Elliott Bross London". The glass rod is not original and made in Japan, it is older and contains mercury. Measures 6-1/4" x 11" x 9". Please view images for further details. Thank you for looking.
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From the collection of Dr. Thomas Peterson of Pepper Pike, Ohio
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For your consideration is a incredibly unique Standing 1919 GE General Electric Coolidge Tube RD8627 X-Ray Vacuum Tube, Schenectady, NY. Marked "GE Coolidge Tube RD8627". Very rare tube here and have never seen a standing example. First patent date reads "November 8th 1904", Last patent reads "December 23, 1919". Beautiful 100 plus year tube. In museum quality condition. No cracks, breaks or repairs. There are two small flaked chips that I will point a pencil tip at in photos(they can probably be filled in). Untested, selling as is, shelf top display item. Measures 13-1/4" x 5". Please view images for further details. Thank you for looking.