Geissler tube Argon Mercury Tube Light Eng. Spectral Tube. Vassar physics lab.

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Geissler tube Argon Mercury
MFD by Tube Light Engineering  Spectral Tube.
Years ago I was tasked with cleaning out the Vassar college physics lab.
This is one of this is one of the items that I rescued.
Still working after 90 years.
The spark generator is not included
Thank you
PaulC
W1VLF Up for sale is a wonderful 1800's Antique Thomas A. Edison's No.1 Mimeograph A.B Dick Company Chicago. Comes with the original wood box, in nice condition, normal age and use wear/tear, the interior parts in various condition (see pictures),  original mimeograph stencil paper on a roll in original container, advertising paper, and more! Great collectible, sold as shown please view pictures and ask questions before buying.
Box measures approx. 17" x 13" x 5" tall.
Smoke free home.
Visit my store for more collectibles I will combine shipping when able.
THANK YOU!