Impossible to answer without a detailed description of all markings, finish, action type, condition.
120
192
12 4 on each "floor" 3 floors total
1950
12inch*12
The radius is 1.9 inches.
12inch x 12inch is 1ft x 1 ft=1 square foot You need 100 patio stones
joking, right?
Divide it by 2.
4.08 US gallons.
12inch x Pi
it is 304.8mm x 203.2mm wich is 30.48cm x 20.32cm