On Display

Klein bottle, 1995.

A single surface model made by Alan Bennett in Bedford, 1995. It consists of a Klein bottle with coiled inlet tube, or jacketed coil with singularity and entrance at opposite ends, which when theoretically cut gives a pair of 19-twist Mobius strips.

 
Klein bottle, 1995.

A single surface model made by Alan Bennett in Bedford, 1995. It consists of a parallel-sided coil with remote return tube with the inlet and singularity at the same end, which when theoretically cut gives a pair of 17-twist Mobius strips. A Klein bo

 
Klein bottles, 1995.

Single surface models made by Alan Bennett in Bedford, 1995. Four small Klein bottles (left to right): i) one loop relating to the single-twist Mobius strip, ii) two loop relating to the three-twist Mobius strip, iii) three loops relating to the five

 
Klein bottle, 1995.

A single surface model made by Alan Bennett in Bedford, 1995. It is a Klein bottle which has been cut to form two single-twist Mobius strips. A Klein bottle is a surface which has no edges, no outside or inside and cannot be properly constructed in t

 
Mechanical counter, 1888.

6 figure engine counter by Schaeffer and Budenberg of Manchester, 1888. The counter could be used to count revolutions of a piece of mechanism or reciprocating actions.