Technical Papers

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A selection of papers I have written, which have been published in the Bulletin of the Scientific Instrument Society, the Slide Rule Gazette or other journals or proceedings. The papers may be viewed by clicking on the list below.

A Collector's Tale. Abergavenny Instruments. Spring Design Rule. Sperry Sonar Calculator. Thornton 6039 1/2 slide rule. Hudson slide rules. Back to top. Hudson slide rules 2. Sterling slide adders. Lambeth HP calculator Parts 1 and 2. W F Stanley instrument patents. The Missing Link. Section Liners. Thornton Wooden Slide Rules. More on Sectors and Who Made Them. British Empire pattern drawing instruments. The Marzch Zirkel. A new magic lantern lamp. The Stanley Intergraph. An Unusual Alcohol Slide Rule.

Traditional Sets

Keuffel & Esser

Pocket compasses

Proportional dividers

Blundell Harling

Blundell Harling 2

Blundell Harling 3

Blundell Harling 4

Exposure Calculators

Hydrometers & Scales

Surveying Instruments

Other instruments

Workshop Measuring Tools

Catalogues & Brochures

Micrometers & Verniers

Engineering rules and gauges

Wood rules & calipers

Dial gauges & miscellaneous

A Collectors Tale

Abergavenny Instruments

Spring Design Rule

Sperry Sonar Calculator

Thornton 6039 1/2

Hudson slide rules

Hudson continued

Lambeth HP Calculator

Lambeth HP Calculator 2

Sterling Slide Adders

Stanley Patents

The Missing Link

Thornton Wooden Slide Rules

More on sectors

British Empire Pattern

Magic lantern lamp

The Stanley Integraph

Unusual Alcohol Slide Rule