16, NEWCASTLE STREET, FARRINGDON STREET, E.C.
1904.
D. VAN NOSTRAND COMPANY,
23 Murray and 27 Warren Streets, New York.
A. C. COSSOR, 54, Farringdon Road, E.C.
SPINTHARISCOPES,
AS DEVISED BY
SIR WILLIAM CROOKES.
16, NEWCASTLE STREET, FARRINGDON STREET, E.C.
1904.
D. VAN NOSTRAND COMPANY,
23 Murray and 27 Warren Streets, New York.
A. C. COSSOR, 54, Farringdon Road, E.C.
SPINTHARISCOPES,
AS DEVISED BY
SIR WILLIAM CROOKES.