[Illustration: Hobnail cutting, _late_ 1830, so often confused with
diamond cutting.]
[Illustration: Strawberry cutting, so often confused with hobnail
cutting; much used from 1780. This is an early example. Note the
unevenness of the lines.]
[Illustration: Flat diamond. This was a _shallow_ cutting from _circa_
1768 onwards; after 1790 it became _much_ deeper and sharper, the
centre coming out to a sharp point.]
[Illustration: Fine "fan" cutting from an old Waterford decanter.]
[Illustration: "Double," or "long" diamond, so often called in England
"lozenge." It was a very soft shallow cutting till after 1780, when it
became bolder and deeper.]