Falmouth Observatory.
Falmouth Observatory records, 1887-1896.
Comprising annual reports on magnetical observations, photographs of apparatus and instruments, etc.
Falmouth Observatory.
Magnetic instruments.
Geomagnetism -- England -- Cornwall -- Observations.
Observatories -- Great Britain.
AIP-ICOS
Science Museum (Great Britain). Library. Imperial College Road, London SW7 5NH, England UK