Note: This is an additional scan to display the colour reference chart and scalebar.
0.5
1 cm

My dear Dr. Wolf:
work which I prepared the
ago with regard to an exhi-
Columbia College Observatory,
Very many thanks for sending me the
you the proof of a note about your
other day. I wrote you some time
copy of your interesting paper on the planetoids. I send
New York, Dec. 31,
fUBTH
work which I prepared the
ago with regard to an exhi-
Columbia College Observatory,
Very many thanks for sending me the
you the proof of a note about your
other day. I wrote you some time
copy of your interesting paper on the planetoids. I send
New York, Dec. 31,
fUBTH