


Dexine packing ring

Two metallic packing Rings and springs for pistons
c.1878

Red Parkesine curtain ring
1862

Dexine hydraulic ram ring

Spare ring for Haddon's internal tube cutter

Two Hopkinson original 22-25% nickel-steel rings, 1888-1889
1888-1889

Medicine man's ring made of lanceolate nut on iron ring
1880-1920

Brass cylindrical ring
1812-1900

Ivory coloured Parkesine curtain ring.
1862

Black Parkesine curtain ring
1862

Mottled green Parkesine ring
1862

Mourning ring, in memory of James Watt
Ring, Quare
1850
Gold(?) ring, with inside banded in zinc and coppe
1871-1920
Brass corugated Asbestos-corded Jointing Ring
Green Parkesine ring
1862
Ivory coloured Parkesine curtain ring
1862
Marbled green Parkesine curtain ring
1862
Leakproof rubber ring
Light blue Parkesine ring
1862
Black Parkesine ring
1862
Ivory coloured Parkesine curtain ring
1862
Ivory coloured Parkesine curtain ring
1862
Rust red coloured Parkesine curtain ring
1862