Wembley stadium would be large enough to accommodate one.
A 20 foot container would have capacity for five or six.
A standard 500mm kitchen wall cupboard would hold one if you took the shelf out.
Picture here:
They'll go on the back seat of a car with some padding or in even a small hatchback with rear seats down.
Small but heavy.
Bigger than the little £30 supermarket bench drills of the 80's
Smaller than the bigger Jet and Axminster modern bench drills
Startrite Mercury is probably similar in size and weight.