| Reference number | RBO/13/2 |
| Alternative reference number | RBO.13.XI |
| Level | Item |
| Title | To show how damp or stale air might be drawn out from a coal-pit or any sort of mine, well or subterraneous cavern by an engine designed by Dr Desaguliers |
| Date | 1727 |
| Description | Also how fresh air might be conveyed into a particular part of a mine through several hollows which are full of stale air
That a working model of the machine had been made to the scale of an inch to a foot - the model consists of a triple crank working three pumps which suck and force air by means of three regulators
Outlines four experiments with comments
Read to the Royal Society on 18 May 1727 |
| Language | English |
| Extent | 5 sides |
| Format | Manuscript |
| Access status | Open |
| Related material | Printed in 'Philosophical Transactions', vol 35 (1727), p 353 |
| Related records in the catalogue | CLP/18ii/20 |