Zinc discs, painted one side white with broad red line across the centre
1772-1773
Grooved disc, covered with chamois leather, with wooden handle
1790-1819
Newton's disc
Three metal discs for reel unit, for Magnetophon type HTS, 1942
1942
Grooved disc with five spherical beads attached by a thread
1761
14-inch Pathe 'Hill-and-Dale' disc.
Stereophonic discs, 1958
1958
Wooden tray with 25 thin metal discs, a ceramic cone, a lens and wooden fragment
1800-1850
Plane glass disc, cobalt blue
1790-1819
Two circular discs
1760-1850
One blackwood disc
1843-1884
Plane glass disc, sherry brown
1790-1819
Revolving disc; black velvet covered diaphragm
Plane glass disc, magenta
1790-1819
Pair of brass adhesion discs
1761
Brass disc, with threaded hole in centre and two labels inscribed: 'G. H. R.'
Circular disc, part of the Kelvin divided ring electrometer and gauge
1861
Brass Adhesion Disc
Brass Adhesion Disc
Marble Adhesion Disc, with Band and Ring Handle
Marble Adhesion Disc, with Band and Ring Handle
Wooden disc with centre cut out and sample of white hair
1886
Lead disc
1761
Disc part
Disc for BBC 'midget' portable disc recorder
Disc for BBC 'midget' portable disc recorder
Lead Adhesion Disc
Lead Adhesion Disc
Metal disc to secure Pulvermacher belts
Three boxwood discs
1762
Brass disc with a small perforation plug in centre
1800-1899
Paper covered lead disc with three feet
1761
Programme Disks (8 inch)
Wangwriter System Disk (5 1/4 inch)
Wooden disc with 4 screws to attach to /8
Wood disc with designs on one side, and a fine textured surface on the other
1890-1913
Circular wooden disc with inlaid wood and ivory overlapping circles
1890-1913
Part of Snifting Valve from large steam engine.
1790-1819
68 thin steel discs
1790-1819
Two coloured discs to show the compounding of white light from yellow and blue
Three boxwood discs
1762
Spinning-disc fitment for distributing granular material and seeds from Z.37 agricultural aircraft
Zonophone twin disc
qty.10 Disk Packs
Quarter-wave disc in brass ring with outer ebonite ring
Eight mica and selenite discs for Zeiss polariscope
Stone disc for Gas heated forced draught crucible furnace
1876
Disc with engine turning on one face
Three round metal discs
Two flat black moulded discs made by Mold-Tech as sampler
1960-1980