Jackson Heights - the dumbwaiter capitol of the world!
Dumbwaiters are in use in several Jackson Heights buildings.
Let's detail where:
and map them.
The different types.
How they work.
Who manufactured them.
Who repairs them.
With lots of pictures (and vids) of gears and pulleys.
Thomas Lowenhaupt 21:25, 10 June 2018 (UTC)