Slide rule and case, bamboo / plastic / metal / leather, designed and made by Hemmi, Japan, 1955-1965
A slide rule consisting of three parallel lengths of laminated bamboo held in place at each end by metal brackets and screws. The middle length of bamboo slides between the other two lengths which are secured in a fixed position. The cream coloured rule is doubled sided with measurements indicated by blue and red markings. A chrome-framed glass cursor can be moved along the length of the rule. The slide rule is stored in a brown leather case. The opening at one end is closed with a leather flap which is secured by threading it through a leather strap. The base of the case is flat with the upper stitched on three edges to created the case. The body of the case is lined with cardboard.