The patents and their transcriptions, four forums, the bench notes and the glossary — one
index, ranked together, so a claim in a patent and the thread arguing about it come back side
by side.
Cited prior art · Robert H Goddard · United States · 1934
bar 65 and the wire 60 extends freely through an insulating bushing 71 within the sleeve 70. Metal collars 72 and 73 are mounted in spaced relation on the wire 60 above and below