Front:
CIENTIFIC AMERICAN
CA
WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY, AND MANUFACTUR
NEW YORK, SEPTEMBER 20, 1873.
[**
[83 per Ann
IN ADVAN
1. XXIX.-No. 12.1
12.]
(NEW SERIES.]
FEASCENDING
DONALDSON
ALONE
AUTOMATIC
BALLAST
FASTENING
TO
CONCENTRATING
RING
THE TRANSATLANTIC
BALLOON VOYAGE
2000 F
ALARM
DETACHING
ALARM
TAKING,
CANOE
BATTERY
AN
OBSERVATION
Back:
62
10-
ZZ
--Kodak --
Paper - -
