RefNo | AP/33/24/5 |
Level | Item |
Title | Unpublished figure, 'Shewing elevation of instrument as without the "kettle" or "bowl"' by Julius Roberts |
Creator | Roberts; Julius (fl 1852) |
Date | 1852 |
Description | A figure in coloured ink of a section of Roberts' instrument for the correction of compass errors, which consists of a compass card, a meridian pointer, a single needle and a compound needle.
Subject: Marine engineering / Magnetism / Scientific apparatus and instruments |
Extent | 1p |
Format | Drawing |
PhysicalDescription | Ink on parchment paper |
AccessStatus | Open |
AccessConditions | Not available to view, off site for conservation. Please refer to digital surrogate on Science in the Making. |