Universitätsbibliothek Heidelberg, Heid. Hs. 3695 ES 126,2 Seares, Frederick Hanley; Mount Wilson Solar Observatory, Carnegie Institute of Washington; Wolf, Max [Adr.]: Briefe von Frederick Hanley Seares an Max Wolf: Brief von Frederick Hanley Seares von Carnegie Institute of Washington Mount Wilson Solar Observatory an Max Wolf (Pasadena, California, 10.6.1911)

CARNEGIE INSTITUTION OF WASHINGTON
MOUNT WILSON SOLAR OBSERVATORY
PASADENA, CALIFORNIA

Professor Max Wolf,
Astrophysikalisohes Observatorium,
Konigstuhl-Heidelberg,
Germany

UBH

June 10, 1011

Dear Professor Wolf:-

Some Inquiry has been made recently

for

certain speotrosoopio

have made at various

you

and photographic observations on nebulae that