A very common version of the Assembly using the bolted connection; round nut having auxiliary external thread, screwed into a prepared wood hole (nest).
When the pipe Assembly in such a nest prior “cutting” the thread can be depicted in figure method, picking the appropriate bolt having the same thread.
Recommend to read
REACTIVE FIRSTBORN
THE F-80 SHOOTING STAR. The story of the creation of the F-80 started in late spring of 1943 at Wright field, where the main designer firms Lockheed (Lockheed), Daniel Russ (Russ Daniel)...
Gasoline road
The kerosene primus stove «Rekord» had been lying idle in my garden shed for a long time. At first I wanted to throw it away, since kerosene is hard to find even in the countryside...