Glass tube; rounded ends; two smaller tubes branch off from top near either end; with metal caps to top of these tubes; inner workings of tube visible; consist of a network of smaller tubes; and a metal propellor/mill/fan-like component; glass tube cradled in a wooden stand
Glass tube; rounded ends; two smaller tubes branch off from top near either end; with metal caps to top of these tubes; inner workings of tube visible; consist of a network of smaller tubes; and a metal propellor/mill/fan-like component; glass tube cradled in a wooden stand
Number Of Parts
2
Part Names
a - stand - Size: Length 25.0 cm. x Width 10.0 cm. x Diameter5.5 cm.
b - cathode ray tube - Size: Length 15.0 cm. x Width 7.2 cm. x Depth 8.3 cm.
Dates
1900
1930
circa 1900-1930
Date Remarks
Dr. Wheeler's estimate
Material
wood: brown
glass: clear
metal: silver
Permanent Location
Storage Room 0010
0010-F4-8
Copy Type
Original
Reference Types
Person
Reference Comments
Dr. R. C. Wheeler; Dr. Wally Breck
Research Facts
Used to demonstrate electron flow; put in gas; then the stream of electrons (of gas) would drive the paddle wheel; electron discovered 1897.
Exhibit History
To display in Museum (North Gallery Room 1013): "Electricity and the Invisible Ray," Oct. 2006