An Account of a Method of Dividing Astronomical and other Instruments, by Ocular Inspection; in Which the Usual Tools for Graduating Are Not Employed; the Whole Operation Being So Contrived, That no Error can Occur but What Is Chargeable to Vision, When Assisted by the Best Optical Means of Viewing and Measuring Minute Quantities.

✍ Scribed by Troughton, E.

• Book ID: 120130599
• Publisher: The Royal Society
• Year: 1832
• Weight: 149 KB
• Volume: 1
• Category: Article
• ISSN: 0365-0855
• DOI: 10.1098/rspl.1800.0176