| 'R W' Punch Press Tonnage Selector | Vintage 'R W' Punch Press Tonnage Selector Slide Rule |
|---|---|
| 'Murex' Engineers Calculator | Vintage 'Murex' Engineers Calculator |
| P.I.C. Direct & Inverse Log-Log, Differential Scales | Vintage 'P.I.C. Differential Scales Log |
| Vintage engineers slide rules | Vintage Engineers Perspex calculators |
| Period | 1940s - 60s |
| Material | perspex |
| 'Vickery' engineering punch press tonnage selector | vintage 'Vickery' punch press tonnage selector |
| 'Rapid' Trigonometrical Indicator | 'Rapid' Trigonometrical Indicator Gauge |
| Engineers 'Milling speed calculator' | Vintage engineers 'milling speed calculator' |
| Punch Press Tonnage Selector | Vintage Punch Press Tonnage Selector Calculator |
| Vintage engineering equipment | Perspex slide rules |
| punch press selector | tonnage selector calculator |
| Differential Scales Log | Instructions booklet for 'The P. I. C. Differential Scales' |
| Sub-Type | Calculators |
| Type | Engineering/ Surveying |
| Vintage 'Rapid' Trigonometrical Indicator Tool | Vintage 'Rapid' Trigonometrical Indicator Calculator |
| 'Protolite Ltd' Engineers 'Prolite' Calculator | Vintage 'Prolite' Engineers Calculator |
| 'Smiths of Clerkenwell Group' Metric Conversion Tables | Vintage Smiths of Clerkenwell' 'Metric Conversion Tables' |
| Vintage Perspex slide rules | engineers slide rules |
| Engineers 'Rapid' Trigonometrical Indicator | Vintage Engineers 'Rapid' Trigonometrical Indicator |
| 'Cincinnati Milling Machines Ltd' Milling Feed Calculator | Vintage ' Cincinnati Milling Machines' Milling Feed Calculator |
Check the listing for details. Four Vintage Handheld Engineers Calculators / Gauges plus Related Paraphernalia. Condition: Used. Listed at 93.37 USD. 1 x Double Sided Green Perspex 'Cincinnati Milling Machines Ltd Milling Feed Calculator. Together with a Book of Instructions' for use of 'The P.I.C. Direct & Inverse Log-Log Differential Scales.