Newsletter PLUS



Issue 2021 No 10 A Norma FlyerIssue 2021 No 10 Eureka Slide Rule
Issue 2021 No 11 Smiths Lathework CalculatorIssue 2021 No 12 Board of Trade Hydrometer
Issue 2021 No 14 Nash LogoscopeIssue 2021 No 14 French Engineer's Slide Rule
Issue 2021 No 15 Slide Rule InstructionsIssue 2021 No 17 Soho Slide Rule
Issue 2021 No 19 Dialling Beam CompassIssue 2021 No 20 Chemical Predictor
Issue 2021 No 21 Thomson's Lunar CorrectorIssue 2021 No 21 The Mighty Colossus
Issue 2022 No 22 Ernst Sokopf Address BookIssue 2022 No 22 The German Patents
Issue 2022 No 22 Slide Rule MuldiIssue 2022 No 22 Forestier Rule
Issue 2022 No 22 Thomson's Lunar RuleIssue 2022 No 22 Amsler Patent Planimeter
Issue 2022 No 25 System KlepekIssue 2022 No 27 Blackwell Speed Calculator
Issue 2022 No 27 Stanley Ivory 4-foldIssue 2022 No 28 Pioneer
Issue 2022 No 29 Engineer PlanimetersIssue 2022 No 32 Kingson Instructions
Issue 2022 No 32 Ship's DistanceIssue 2022 No 33 Ferrite Core Memory
Issue 2023 No 34 Aristo 50111Issue 2023 No 34 Calculating with Tones
Issue 2023 No 34 Barnard Patent CalculatorIssue 2023 No 35 German Planimeter
Issue 2023 No 35 Updated Calculating with TonesIssue 2023 No 35 Years (25) of International Meetings
Issue 2023 No 35 2-Foot, 2-Folding RulesIssue 2023 No 36 Falling Asleep!
Issue 2023 No 36 Gauging RuleIssue 2023 No 36 Relay
Issue 2023 No 37 Thornton 1448 Navigation ManualIssue 2023 No 38 Transistorised Computers
Issue 2023 No 39 Unusual Unique InstructionsIssue 2023 No 40 Davis of Derby (Sundials)
Issue 2023 No 41 Halden CatalogueIssue 2023 No 41 Video of Junk Box
Issue 2023 No 42 S-SystemIssue 2023 No 42 Marks Patent 1885
Issue 2023 No 44 Takeover of Marconi