It could be built by one person, but the gunsmith usually had an apprentice to help.
how many people did it take to build the olympic stadium
It took about 456 people to build a castle
456
1000
720,000 people
It takes about over 500 people to build a turbine wowza!
it takes 79 people to build a normal sized hose
It took over 180 people
Ten
Thousands.
1 at a minimum.
127