Ion Propulsion Test Tube, R.H. Goddard

This object broken into four pieces as follows: (1) Main piece, glass tube, gray or frosted, with read sealing wax at both ends, one end of the tube slightly flared outward to larger diameter; other end recessed to smaller diameter and broken off; thin copper wire imbedded in center of tube; the whole, 5 1/4 in. long, 1 1/4 in. wide. (2) Smaller diameter glass tube, empty, with clump of red sealing wax adherred to outside middle of same; one end of tube tapered down into thinner diameter section, then tapered to slightlly diameter diameter continuation of tube; non-ferrous wire, single strand, attached to this tube by clump of red sealing wax. Overall, 3 3/4 in. long; 5/8 in. outside diameter overall. (3) Slightly bent elbow-shaped glass tube; brass or copper insert inside end of shorter length of this tube; clump of red sealing wax adherred to side of longer length of this tube. Overall, 4 1/2 in. long, 5/8 in. outside diameter. (4) Clear plastic bag with two slivers of red sealing wax.