| Quatrefoil |
|
A four-lobed design used as the central element
of a millefiori cane; a faceting scheme for the exterior ornamentation of some paperweights;
a garland pattern. |
Random
spacing scheme
|
|
An assortment of canes packed
tightly together in an upright position to form an overall design.
|
| Reduction lathe |
|
A complex mechanism that cuts a reduced
and faithful reproduction of an original bronze image into steel, used in
sulphide production.
|
| Reduction lens |
|
Used in sulphide production to check the
surface smoothness of a cameo.
|
| Refractory
pot |
|
A fireproof clay receptacle used to melt
the components of glass at 1400-1450° C, used for two or three months
before being replaced.
|
| Ribbon |
|
A cane containing a flat ribbon-like
element, sometimes twisted; used in crown weights, torsades, and chequer
weights.
|
| Ring |
|
A row or circle of millefiori canes in
an concentric paperweight.
|