|Title||Paper, further account of an instrument for taking angles by John Hadley|
|Description||Figure in text and engraved figure attached|
In May, 1731, I communicated to the Society the description of a new instrument for taking angles, and produced a specimen of an instrument made accordingly.
Use of the instrument demonstrated on the Chatham-Yacht, 30 August to the 1 September 1732. Altitudes of the sun were recorded.
Read to the Royal Society on 15 March 1732
Subject: Astronomy / Navigation
|Related material||Printed in 'Philosophical Transactions', vol 37, no 425, p 352|
|Related records in the catalogue||RBO/18/30|