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A 6" ivory sector by J & WE ARCHBUTT, Westminster Bridge London G+ ...[more]
A 12" ivory and German silver slide rule with Girth line, Diameter, Warped G- ...[more]
A little used 12" four fold ivory and German Silver rule by RABONE and a 6" parallel rule G++
A little used 12" four fold ivory and German Silver rule by RABONE and a 6" parallel rule G++ ...[more]
A folding wire gauge with ivory scales and two small ivory rules (few cracks and chips) G ...[more]
Three ivory items; a 6" two fold rule by FARTHING & CORNHILL, a 4" scale by J HALDEN and another
Three ivory items; a 6" two fold rule by FARTHING & CORNHILL, a 4" scale by J HALDEN and another 3" F ...[more]
A 12" ten fold ivory zig zag rule and a slender 12" four fold both stamped London and Metre F
A 12" ten fold ivory zig zag rule and a slender 12" four fold both stamped London and Metre F ...[more]
A 6" combination ivory rule stamped London and Metre with penknife and pencil holder G ...[more]
A rare STANLEY No 40 12" four fold ivory caliper rule F ...[more]
A 12" four fold ivory rule with German silver fittings by RABONE G++ ...[more]
A 9 1/4" two fold ivory printer's rule by MILLER & RICHARD London G+ ...[more]
A 6" ivory hatter's rule with German silver fittings by W BOOTH Manchester F ...[more]
A 2' four fold ivory engineer's rule with German silver slide and fittings by APPS Strand London
A 2' four fold ivory engineer's rule with German silver slide and fittings by APPS Strand London with J Routledge scales and inside bevel edges, t...
A 6" triangular ivory scale by JOHN LORENZ Leeds, tiny nick to one edge o/w F ...[more]
An unusual 7 1/2" ivory slide rule by GAMMAGE Late DICAS Patentee Liverpool for Water, New Milk
An unusual 7 1/2" ivory slide rule by GAMMAGE Late DICAS Patentee Liverpool for Water, New Milk and Skim Milk G++ ...[more]
A 7 1/4" Dicas type ivory Citrometer 50 slide rule by J.B.DANCER Manchester with Thermometer
A 7 1/4" Dicas type ivory Citrometer 50 slide rule by J.B.DANCER Manchester with Thermometer Scale, Water etc G+ ...[more]
A 2' four fold ivory Patent Bolted Joint Rule with German silver fittings by THOMAS BRADBURN Birm'
A 2' four fold ivory Patent Bolted Joint Rule with German silver fittings by THOMAS BRADBURN Birm' Est 1834 with her Majesty's Royal Letters Paten...
An unusual 12" three fold ivory rule with German silver fittings by T DRIVER Maker ManchesterG+
An unusual 12" three fold ivory rule with German silver fittings by T DRIVER Maker ManchesterG+ ...[more]
A 2' four fold ivory architects rule by J CASARTELLI with German silver fittings and inside bevel
A 2' four fold ivory architects rule by J CASARTELLI with German silver fittings and inside bevel edges and engraved Herman Marshall. Much informa...
A 2' four fold ivory rule with German silver fittings and protractor hinge by J TREE Maker London
A 2' four fold ivory rule with German silver fittings and protractor hinge by J TREE Maker London with numerous scales and formulae. This rule is ...
A steel tape by CHESTERMAN nicely engraved Herman Marshall Gainsborough in what is possibly the orig
A steel tape by CHESTERMAN nicely engraved Herman Marshall Gainsborough in what is possibly the orig box G++ ...[more]
A 6" ivory slide rule with German silver slide by RABONE marked Rhineland and French Lines F
A 6" ivory slide rule with German silver slide by RABONE marked Rhineland and French Lines F ...[more]
A 2' four fold ivory rule with German silver fittings by J PLATT A.M.I.E.E. Bolton unusually only
A 2' four fold ivory rule with German silver fittings by J PLATT A.M.I.E.E. Bolton unusually only scaled on one side G++ ...[more]
A 2' four fold ivory architects rule with German silver fittings and inside and outside bevel
A 2' four fold ivory architects rule with German silver fittings and inside and outside bevel edges by W.H.HARLING London also nicely marked E.G.W...
A set of eight 6" ivory scales by ADIE 395 Strand London in Morocco case (offsets pos missing)
A set of eight 6" ivory scales by ADIE 395 Strand London in Morocco case (offsets pos missing) ...[more]
A 12" four fold ivory Smith's Pat Improved Cloth Dissector with brass fittings by EDWARD SMITH
A 12" four fold ivory Smith's Pat Improved Cloth Dissector with brass fittings by EDWARD SMITH Bradford England F ...[more]
A 2' four fold architects ivory rule with German silver fittings by KEYZOR & BENDON London with
A 2' four fold architects ivory rule with German silver fittings by KEYZOR & BENDON London with inside bevel edges, also nicely marked W.Clulee G ...
A 2' two fold ivory rule with bevel edges and unusual brass fittings, minor warp G+ ...[more]
A rare 12" three fold ironmonger's ivory rule by RABONE with German silver caliper and fittings with
A rare 12" three fold ironmonger's ivory rule by RABONE with German silver caliper and fittings with Coppers, Flat Iron per Foot, Square and Round...
A 6 1/2" ivory rolling rule by ELLIOTT Strand London with German silver fittings G++ ...[more]
An ironmonger's 12" four fold ivory rule by RABONE with German silver caliper and fittings and
An ironmonger's 12" four fold ivory rule by RABONE with German silver caliper and fittings and numerous scales G+ ...[more]
An unusually small and very attractive ivory desk seal 2 1/2" o/a decorated with foliate band F
An unusually small and very attractive ivory desk seal 2 1/2" o/a decorated with foliate band F ...[more]
A 12" four fold ivory rule by ARMY & NAVY C.S.L. and a 12" three fold both with German silver
A 12" four fold ivory rule by ARMY & NAVY C.S.L. and a 12" three fold both with German silver fittings F ...[more]
A fine set of 9 ivory scale rules and 9 offsets by ELLIOTT BROS London in orig fitted mahogany box
A fine set of 9 ivory scale rules and 9 offsets by ELLIOTT BROS London in orig fitted mahogany box G++ ...[more]
A little used ivory clinometer by J. FENN Newgate St. London unusually with 4" thermometer in one
A little used ivory clinometer by J. FENN Newgate St. London unusually with 4" thermometer in one arm (not working) and the level vial empty, also...
A 5" double slide ivory rule by STANLEY London with Hudson's Horse Power Computing Scale with
A 5" double slide ivory rule by STANLEY London with Hudson's Horse Power Computing Scale with Revolutions, Piston Speeds, Strokes etc etc in orig ...
A 5 1/4" double slide ivory rule by STANLEY London with Hudson's Pump Duty Computing Scale with Time
A 5 1/4" double slide ivory rule by STANLEY London with Hudson's Pump Duty Computing Scale with Time Pumping, Revolutions, Stroke, Efficiency etc ...
A 9 1/2" brewer's ivory slide rule with QUINN Patentee and Sikse's Concentrated Strength, Thermometer Scale, Under & Over Proof etc G+ ...[more]
A brewer's 12" double slide ivory scale rule by BUSS Maker London in orig leather sleeve G++
A brewer's 12" double slide ivory scale rule by BUSS Maker London in orig leather sleeve G++ ...[more]
A brewer's 12" double slide ivory rule by BUSS Maker London in orig leather sleeve G++ ...[more]
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