Silver disk pyreheliometer for measuring the power in solar radiation. Instrument purchased from Smithsonian Institution who developed the device. Can be seen in use in the photograph of the total solar eclipse of 1927 taken on top of the Cromwell…
Bronze spearhead, socketed with side loops, leaf-shaped blade with tapering midrib.
Inscription: old paper label: C.24 ABDUA number and NEW written inside socket
Bronze spearhead, socketed and with side loops, kite-like blade, tapering mid-rib and V-shaped ridge. Has a notch across the socket, possibly to aid hafting.
Type: 9c (cross hatched), incomplete. Originally had six large, well-defined, raised knobs about 5mm high carved on the surface, four adjacent knobs are decorated with incised cross-hatching.