Page 1 of 317 records found with the key word(s) Calculation . Displaying 25 50 100 200 at a time.Next Results > Records with Images1. Sector, ?German, c. 1700 2. Sector, by John Rowley?, London, c.1700 3. Sector, by G. B. Colti, Florence?, 1788 4. Sector with Supporting Arc and Fine Adjustment, French, c.1830 5. Sector and Level, Italian, 17th Century? 6. Triangulation Instrument and Sector, by Christoph Trechsler,... 7. Military Architect's Sector, by Nicholaus Blondo, Naples, 1694 8. Sector and Level, by Pierre Le Maire, Paris, c. 1750 9. Gunner's Sector, by Tobias Volckmer, German, 1618 10. Carpenter's Folding Rule With Slide Rule, Late 19th Century 11. Carpenter's Folding Rule With Slide Rule, by E. Preston, 19th... 12. Slide Rule, by Tavernier-Gravet, Paris, Early 20th Century 13. Straight Slide Rule For Prices, by R.B. Bate, London, 1824 14. Gauging Slide Rule, by J. Aston, London, Later 19th Century 15. Slide Rule for Gauging, by Dring & Fage, London, Late 19th... 16. Richmond's Milk Scale Slide Rule, by Baird & Tatlock, British,... 17. HP-25 Pocket Electronic Calculator, by Hewlett Packard, Singapore,... 18. Straight Slide Rule for Gauging, 19th Century 19. Abacus, Chinese, 19th Century 20. Miniature Abacus, Chinese, c. 1900 21. Morland Adding Machine, perhaps by Humphrey Adamson, London,... 22. Stanhope Adding Machine, by James Bullock, English, 1780 23. Slide Rule, 19th Century 24. Slide Rule For Gauging, 19th Century 25. Sector, 17th Century Next Results >
