Historic British Colonial Magnetic Observatories (c. 1840-1850)

The colonial observatories were run under the aegis of the Royal Society between c. 1840-1850.

Australia

Hobarton Observatory, Van Dieman Land (HOB)

Hobarton carried out geomagnetic observations from 1841 to 1850.

• Primary archives - Magnetograms - No magnetograms are held in the BGS collections.
• Primary archives - a range of original recording books and other data is held. At the moment this collection is uncatalogued.
• Yearbooks - a set of yearbooks covering the dates 1841 to 1850 is available in PDF format for download.
• Other published data - No other published data is available.

Canada

Toronto Observatory (TOR)

Toronto carried out geomagnetic observations from 1840 to 1848.

• Primary archives - Magnetograms - No magnetograms are held in the BGS collections.
• Primary archives - a range of original recording books and other data is held. At the moment this collection is uncatalogued.
• Yearbooks - a set of yearbooks covering the dates 1840 to 1848 is available in PDF format for download.
• Other published data - No other published data is available.

South Africa

Cape of Good Hope Observatory (CGH)

Cape of Good Hope Observatory carried out geomagnetic observations from 1841 to 1850.

• Primary archives - Magnetograms - No magnetograms are held in the BGS collections.
• Primary archives - a range of original recording books and other data is held. At the moment this collection is uncatalogued.
• Yearbooks - a yearbook covering the dates 1841 to 1850 is available in PDF format for download.
• Other published data - No other published data is available.

Other colonial observatories

Malaya

Singapore (SIN)

Singapore carried out geomagnetic observations from 1841 to 1845 for the Honourable East India Company.

• Primary archives - Magnetograms - No magnetograms are held in the BGS collections.
• Primary archives - No other archives are held in the BGS collections.
• Yearbooks - A yearbook covering the dates 1841 to 1845 is available in PDF format for download.
• Other published data - No other published data is available.

India

Colaba, Bombay (CLA)

Colaba, Bombay carried out geomagnetic observations from 1841 to 1845.

• Primary archives - Magnetograms - No magnetograms are held in the BGS collections.
• Primary archives - No other archives are held in the BGS collections.
• Yearbooks - Two yearbooks covering the dates 1846 to 1905 are available in PDF format for download.
• Other published data - No other published data is available.