A 10″ plastic slide rule with a with a steel frame. It has no cursor. The slide is grooved. Comes in a plastic case. Front:…
A 10″ PVC slide rule with grooved stock and ridges on the slide. There are stainless steel stops on both sides. The cursor is of…
A 10″ all- metal slide rule, with aluminum stock, slide and stops. The cursor is frameless and made of plastic, with plastic ends. The cursor…
A 10″ All-metal slide rule. Magnesium body and aluminum posts. The frameless cursor is made of flat plastic and aluminum. Grooves are present on the…
A 20″ polyphase duplex slide rule made of celluloid laminated on a mahogany surface. The cursor is made of glass with a metal frame and…
A 20″ Mannheim type slide rule, made of celluloid framed on a mahogany surface. The glass cursor is missing. This slide rule has scales only…
This slide rule consists of a paper or plastic frame with a window in the middle through which the slide is read. Scales: Front: Specific…
A 10″ slide rule with a light green surface (Pickett’s special “eyesaver” design). It is housed in a black coloured sleek leather case. The aluminum…
A 10″ slide rule made of wood and celluloid framed on a wood surface. It is a Mannheim-type slide rule with scales on only one…
A spiral slide rule, with a 500-inch-long logarithmic scale. Kept in a box labelled “Calculator”, the spiral slide rule essentially consists of two cylinders on…