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tin cylindrical float weighted by lead suspended in a tin cone. A rod protrudes from the top, terminating in a circular tray containing a red residue. Possibly an early hydrometer

tin cylindrical float terminating in a cone hat has a ring for attaching additional weight. A rod protrudes from the top, terminating in a circular tray. Possibly an early hydrometer

One of two sets of 4 drawers filled with computer floppy disks. Approximately 50 disks in total. Set of drawers made from cardboard.

Two 8" "BASF FlexyDisk"s, (floppy disks). Very thin computer disks with visible magnetic sector in centre. Both disks hold 128 bytes. Also with instructions hand-written on paper, possibly for a programme on one of the disks.
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