Glass scientific instrument: Crookes maltese cross tube, Italy 1900.
Italy circa 1900.
1450 EURO
Blown glass scientific instrument. An example of the Crookes tube with Maltese Cross, in chromed metal, a precursor to the cathode ray tube. It was used to demonstrate the rectilinear movement of rays, so that the intervening elements generated shadows. Mounted on an ebonized wooden base. Italy, early 1900s.
8,5” – 19 CM H 10,5” – 27 CM L 3,5” – 9 CM D
REF: M4803
