1

The Franklin Institute eclipse expedition

Year:
1932
Language:
english
File:
PDF, 2.66 MB
english, 1932
3

The Day and the Date Line

Year:
1952
Language:
english
File:
PDF, 336 KB
english, 1952
4

Other Universes

Year:
1926
Language:
english
File:
PDF, 588 KB
english, 1926
5

Saturn, Mars Visible

Year:
1969
Language:
english
File:
PDF, 263 KB
english, 1969
6

Radio Reception and Sun Spots

Year:
1929
Language:
english
File:
PDF, 1.16 MB
english, 1929
7

Did Roger Bacon Have a Telescope?

Year:
1928
Language:
english
File:
PDF, 1.39 MB
english, 1928
8

Cross Glitters Overhead

Year:
1942
Language:
english
File:
PDF, 634 KB
english, 1942
9

40,000 Volts on Autos

Year:
1941
Language:
english
File:
PDF, 688 KB
english, 1941
10

Venus Now in View

Year:
1952
Language:
english
File:
PDF, 802 KB
english, 1952
11

Bright Stars Shine

Year:
1942
Language:
english
File:
PDF, 671 KB
english, 1942
12

Crescent Moon Meets Venus

Year:
1933
File:
PDF, 457 KB
1933
13

Brightest Star Now Visible; Regulus Occulted Dec. 18

Year:
1932
Language:
english
File:
PDF, 583 KB
english, 1932
14

Brightest Night-Time Star

Year:
1951
Language:
english
File:
PDF, 464 KB
english, 1951
15

Man and His Calendars

Year:
1972
Language:
english
File:
PDF, 652 KB
english, 1972
16

Venus Appears Early

Year:
1958
Language:
english
File:
PDF, 598 KB
english, 1958
17

Magnificent Orion

Year:
1931
Language:
english
File:
PDF, 568 KB
english, 1931
43

“NORTHERN LIGHTS” STUDY MAY SOLVE RADIO MYSTERY

Year:
1925
Language:
english
File:
PDF, 107 KB
english, 1925
44

WISCONSIN ASTRONOMER DISCOVERS STELLAR SPEEDERS

Year:
1925
Language:
english
File:
PDF, 98 KB
english, 1925
45

AN ECLIPSE PROJECTOR FOR THE FRANKLIN INSTITUTE MUSEUM

Year:
1932
Language:
english
File:
PDF, 898 KB
english, 1932
46

This Year's Eclipse of the Sun

Year:
1932
Language:
english
File:
PDF, 1.06 MB
english, 1932
47

The Fels Planetarium of the Franklin Institute

Year:
1934
Language:
english
File:
PDF, 1.70 MB
english, 1934
48

Planetarium Operation

Year:
1937
Language:
english
File:
PDF, 1.40 MB
english, 1937
49

Opening of the Buhl Planetarium and Institute of Popular Science in Pittsburgh

Year:
1940
Language:
english
File:
PDF, 773 KB
english, 1940
50

Telescopes and the Men Who Use Them

Year:
1946
Language:
english
File:
PDF, 356 KB
english, 1946