Browse Items (3473 total)

a mirror galvanometer with small upper and larger lower cylinders in lacquered brass. The lower cylinder is surrounded by an brass ring with three brass terminals. Three adjustable brass feet are fitted to the ring. The larger cylinder has a glass…

on three truncated cone legs. A brass cylinder with two thumbscrew terminals. A mirror is suspended from the needle in a windowed cylinder. Onwood's patent No. 7035 NP40392

Twin galvanometer for use with a lecture demonstration projector; with centre transparent zero scales, '30-0-30'; flat construction allowing device to be clipped onto a projector in place of normal slide so that galvanometer scales are seen greatly…

Many sheets of transparent paper with a ruler printed on it; top scale measures from 25 to 0 then 0 to 25; bottom scale measures from 0 to 50 cm; under scale is printed "Scale A, Tracing Paper". Maker's Name reads: " W.G. Pye & Co." wrapped in brown…

Wooden box with 4 steel terminals (at corners) with large iron central terminal. ' TYPE 4309A ' Patent dated 22/05/1930.

Gartane-leem with drawer, in wood. A small portable loom for weaving garters and cradle strings.

Short oblique/open-face fingerwoven garter in red wool with white beads.
The bead pattern consists of lines of white beads parallel with and directly perpendicular to the length of the sash, though the beads themselves are set at a diagonal angle…

Dark red woven belt with white beads in a geometric motif which appears three times. Two lines of white beads run along the length of the sash on either side of the motifs. Red woolen yarn and white beads. Resist dyes. Has been identified as…

Set of six 'Peter-Pan' gas mantles in cardboard tubes with brass-coloured lids; written on tubes, 'Registered N. 409807', 'Made in Italy'; The mantle is made from oxides that, when heated, glow brightly in the visible spectrum.