I'm not sure how many people it would take to open this monster but I sould sure like to be around for the POP!
There are contraptions made for pouring hugh format bottles that require 2-3 people to operate, I've seen pictures it operates like a fulcrum sort of and there is a stand involved and all. My guess is that this would serve a healthy glass to 100 people or a nice toast for 200 guests at a wedding or such.
375 milliliters or one half of the standard bottle size. Also known as a "split" or a "tenth".
750 milliliters of wine, this is the standard size.
1.5 lters or two times the standard bottle size
3.0 liters or twice the size of a magnum, equivalent of 4 bottles.
There are two sizes of Jeroboams:
Sparkling wine Jeroboam equals 4 regular bottles, or 3.0 liters.
Red wine Jeroboam equals 6 regular bottles, or 4.5 liters.
Some 5.0 liter Jeroboams exist.
6.0 liters or 8 regular bottles.
Same size as an Imperial but is usually used for sparkling wines and is Burgundy-shaped.
9.0 liters. 12 regular bottles or one case.
12.0 liters. 16 bottles. Usually used for sparkling wines.
15.0 liters. 20 regular bottles. Usually used for sparkling wines.
Note there are some differences in names for still and sparkling varities.