| RefNo | PT/61/6/5 |
| Level | Item |
| Title | Plate, draft of spiral bulb by [William Hopkins] |
| Date | [1860] |
| Description | Early draft of a diagram showing the design of a spiral bulb attachment for a thermometer. Likely drawn by Hopkins. A later engraved version of this figure is found at PT/61/6/3.
Subject: Scientific Instruments
Published in Philosophical Transactions as 'On the construction of a new calorimeter for determining the radiating powers of surfaces in air; and its application to the surfaces of various mineral substances'.
Received by the Royal Society on 1 June 1860. Read 21 June 1860. |
| Extent | 1p |
| Format | Diagram |
| PhysicalDescription | Ink diagram on paper |
| AccessStatus | Open |
| RelatedMaterial | DOI: 10.1098/rspl.1859.0100 |
| DOI: 10.1098/rstl.1860.0022 |
| RelatedRecord | RR/4/135 |
| RR/4/136 |
| RR/4/137 |
| PT/61/6/3 |
| PT/61/6/9 |
| PT/61/6 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA6316 | Hopkins; William (1793 - 1866) | 1793 - 1866 |