Is the glass stopper a true sphere (globe, ball) or does it have a flat spot?
1615584
It has a flat spot as shown in this picture. I guess it prevents the stopper from rolling.
2092008
It is not flat...it has rings around the bottom that are grooved. I have never seen a canner that is totally flat on the bottom. That may be why you cannot use on a glass top burner...I use mine on my outdoor cooker. That works great!
929754
Yes, the glass is semi-circular and sits flush against the raised mounting plate. The bulb is not visible from the sides, only from above or below.
2069195
Not totally flat...it's sort of like a soda bottle I guess. Raised up in the middle, with a ring / circle that actually touches the surface you place it on.
1055108
Yes it is bubble shaped not flat. Tough material, bends but doesn't crack like other lense covers.
1437655
the top is squared, the sides are slightly beveled and the bottom is rounded. I place the cube round side up and my drink pours smoothly into my glass. excellent product
436964
Yes, more cylindrical than flat. I'd call it round. It is the spaghetti cutter.
229484
Yes the bottom is flat. It is used on a glass top stop now and it works fine.
1634210
The ball is hollow and rigid. I don't know about retaining shape if it had a hole since mine doesn't have one.
262920
Yes, the stopper is crystal....nice looking set, heavy, you know it's crystal
818385
No. The bottom of the stopper is crystal/glass, but still locks into place with a slight twist.
497029
7 inches from top center to bottom center, so 3.5 inch sphere I think it would be. It's 14 inches around anyways.
1878593
The stopper is a soft plastic to keep it airtight. The remainder of the jar is glass
1471919
It is the same diameter throughout. There is an optical illusion created by the construction of the glass that makes it appear to be wider in the middle but it is the same throughout the height of the glass.
151622
Flat? No. The black center piece in the picture does lock down even with the lid of the bowl though.
1651470
The flat is smooth. I have a white electric glass top, and it hasn't scratched or broken it. It is pretty heavy so be careful when you place it down or move it around
1108710
It's smooth and flat, but has a thin, circular "ring" (a few mm deep) in the centre that fits into the drain hole. It also has a small suction cup on the bottom of the "tab" that sticks out from the stopper.