Unique: Vintage Slide Rule In Original Box Made In England

Vintage German 1960s ARISTO 0971 Hyperbolog Engineers Slide Rule Case Manual Box

Vintage UNIQUE Log Log Slide Rule No.95 With Case Mathematical Tool

Unique Log Log Slide Rule Vintage In Original Box made in England

Thornton plc Student log log slide rule calculator No. 271 in original case, vgc

Boots Ringplan vintage slide rule.working includes original case & instructions

Castell 2/84 Mathema AW FABER Slide Rule Vintage Collectors with Original Case

Vintage Unique Log-Log Slide Rule Brighton Boxed British Engineering Calculator