discharge tube
Date: 1900-1930
Inventory Number: 2008-1-0073
Classification: Discharge Tube
Maker: American ?
Cultural Region:
Dimensions:
61 x 8 cm (24 x 3 1/8 in.)
Description:
A long, narrow glass tube with bulb in middle, a smaller bulb at one end, and a bulge at other end. It has one small electrode at each end.
Signedunsigned
Inscribedstamped on side of glass [old Harvard Physics #?]: 8 7 [or maybe "B 7" or "g 7"]
on old sticker: N2O5 / 4.50
on old sticker: N2O5 / 4.50
FunctionA gas discharge tube. When connected to a voltage source, a luminous arc extends from one electrode to the other. It is filled with an oxide of nitrogen, dinotrogen pentoxide.
Curatorial RemarksThere is a chance of this tube being VT1903, which is labeled as having the same gas.