Three Klein bottles arranged in a column which when cut form a pair of five-twist Mobius strips. Klein bottle, 1995-1996. 1995-1996
Environmental chamber by Laboratory Thermal Equipment Ltd., Greenfield, near Oldham, Manchester, England, serial no. 33585 (a thermally insulated, humidity conditioned chamber with trays for samples, glazed inner door and heavy outer door), mounted on a metal frame base, with a 'Xactline' two-channel temperature recorder for Pt/PtRh thermocouples type 7052/1 serial no 2179FB by Pye Ether Ltd., Stevenage, Hertfordshire, England, on top (possibly modified), 1971-1980. Environmental chamber by Laboratory Thermal Equipment Ltd. 1971-1980
Original Klein bottle, which when cut forms a pair of single twist Mobius strips, by Alan Bennett, Greenfield, Bedfordshire, England, 1995-1996 Original Klein bottle which when cut forms a pair of single twist Mobius strips 1995-1996