On Display
Ready reckoner giving the value of discounts of 10%, 15% and 20% on quantities between 15 and 36. This was probably a one-off instrument for use in a particular shop or workshop.
Set of 'arithmetical scales' by Smith and Dolier, late 19th century. These 'scales' were used to set many different sums in addition and subtraction. Pupils in a class would probably have used slates to do the sums.
Twelve replica German jetons, originals date from the 16th century. These small counters were placed on a counting cloth in a similar manner to beads on an abacus.
A single surface glass vessel made by Alan Bennett in Bedford, 1995. Its form is a variation on the Klein bottle with an inlet passing through the vessel which when cut forms a pair of single-twist Mobius strips. A Klein bottle is a surface which has
A single surface glass vessel made by Alan Bennett in Bedford, United Kingdom. It consists of three Klein bottles sharing an inlet tube which when cut produces three pairs of single-twist Mobius strips. A Klein bottle is a surface which has no edges,
A single surface glass vessel made by Alan Bennett in Bedford, 1995. It consists of three Klein bottles sharing an inlet tube which when cut produces three pairs of single-twist Mobius strips. A Klein bottle is a surface which has no edges, no outsid
A single surface glass vessel made by Alan Bennett in Bedford, 1995. It consists of a five-layered sphere, extension of the three Klein bottles above to infinity which when cut gives a pair of single-twist Mobius strips. A Klein bottle is a surface w
A single surface glass vessel made by Alan Bennett in Bedford, 1995. It consists of a five-layered sphere with added access routes which when cut produces a pair of single-twist Mobius strips. A Klein bottle is a surface which has no edges, no outsid
A single surface glass vessel made by Alan Bennett in Bedford, United Kingdom. It consists of three Klein bottles in a column which when cut form a pair of single-twist Mobius strips. A Klein bottle is a surface which has no edges, no outside or insi
A single surface glass vessel made by Alan Bennett in Bedford, 1995. It consists of three Klein bottles arranged in a column which when cut form a pair of five-twist Mobius strips. A Klein bottle is a surface which has no edges, no outside or inside
