| Description | Commencing with dip needle [?] observations at the Bombay Observatory, recording the temperature, number of vibrations 1-300, arc, time and declination [?]. The notebook also contains observations from alternative locations, including Malabar, Nagano and Alibag.
Headed [p.1]: 'Kanstein's apparatus'. There are pencilled calculations on the back cover [p.32]. |
| Place origin | Colaba Observatory, Bombay [Mumbai], India |