Heidelberg, Universitätsbibliothek Heidelberg, Heid. Hs. 3695 EP 52,12 Pickering, Edward Charles; Wolf, Max [Adr.]: Briefe von Edward Charles Pickering an Max Wolf: Brief von Edward Charles Pickering an Max Wolf (Cambridge, Mass., 10.6.1912)

HARVARD COLLEGE OBSERVATORY,
CAMBRIDGE, MASS.

June 10
Cu B H)

1912.

Professor Max Wolf,
The Observatory,

Heidelberg, Germany.
My dear Professor Wolf:-
The importance of all observations of M T is
so great that it seems very desirable to get a photographic determina-

tion of its brightness. Unless you are preparing to do this, will
you send me a print on glass, or ce^^ulald—gGtbR^Dortion of the
plate on which it appears?
Yours ver^^^%^^*