Two-neck round-bottom flasks, side neck parallel
Two-neck round-bottom flasks, side neck angled
Two-neck pear-shaped flasks
Three-neck round-bottom flasks, side necks parallel
Three-neck round-bottom flasks, side necks angled
Four-neck round-bottom flasks, side necks parallel
Four-neck round-bottom flasks, side necks angled (7°)
Four-neck round-bottom flasks, side necks angled (15°)
