opisometer – Page 2 – Three Points of the Compass

Map measure of the month: HB Curvimetre ‘Model No. 52 mesures anglaises’

The French manufactured HB Curvimetre 52 MA is a robustly made map measurer "pour mesures anglaises"

Map measure of the month: Société des Lunetiers Curvimeter

The Société des Lunetiers Curvimeter is a simply made yet effective map measurer from a time of fraternal co-operation between French master craftsmen

map measurer

Map measure of the month: Philips’ Universal Simplex

Philips' Universal Simplex is about as simple a map measure as it is possible to get- but it still works

map measurer

Map measure of the month: the Radix

The Radix Map Measurer was invented by Louis J Petion. The simple pen-shape design is its greatest fault

Gear

Map measurer of the month: the Silva scale lanyard

The scale lanyard from compass manufacturer Silva is an interesting innovation but ultimately a failure in design

map measurer

Map measurer of the month- the Mile-O-Graph

The Mile-O-Graph is an intuitive map measurer introduced in the 1950s

map measurer

Map measurer of the month: The Roller Rule- “The Pencil with a Brain”

The Roller Rule was invented by John Hoe Morehead of […]

map measurer

Map measurer of the month- The HC Self-Registering Rotameter, model A90

This interesting little map measure has a stained and warped […]

map measurer

Map measurer of the month- Rotameter (Barker & Son)

“This handy little instrument will be found very useful for […]

map measurer

Map Measurer of the month- Morris’s Patent Chartometer

This months map measure is a wonderful chunky, clunky piece […]

Gear

Map measurer of the month- The BUX map measure

“can be used on all normal English maps” The plastic […]

Gear

Map measurer of the month- Morris’s Patent Wealemefna

Morris’s Patent Wealemefna is a simple map measurer dating from […]

Gear

Map measurer of the month- the Practical Motorist map measurer

The Practical Motorist map measurer was cheaply made, produced in […]

Gear

Map measurer of the month- The Pathfinder Three-in-One

The Pathfinder Three-in-One was a multiple attempt at bringing together […]

map measurer

Map measurer of the month- Stanford’s opisometer

An opisometer is a curious instrument. As soon as you […]

map measurer

Map measurer of the month- the Velos ‘Clicker’, model 1460

“All 3 styles count the miles on Mainroads, Coastlines and […]

Gear

Map measurers

Map measurer, opisometer, curvimetre, mile-o-graph, meilograph, chartometer, call them what you will, in the era of digital mapping, who uses such an antique analogue object today? Well, Three Points of […]

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