1

Cosmic Clouds

Year:
1930
Language:
english
File:
PDF, 2.10 MB
english, 1930
2

Solar Radiation and the State of the Atmosphere

Year:
1942
Language:
english
File:
PDF, 2.78 MB
english, 1942
3

Cosmic Terrestrial Research

Year:
1944
Language:
english
File:
PDF, 3.55 MB
english, 1944
7

Note on possible effect of electric field on the growth of plants

Year:
1957
Language:
english
File:
PDF, 1.94 MB
english, 1957
8

The influence of sun spots on radio reception

Year:
1930
Language:
english
File:
PDF, 1.51 MB
english, 1930
9

Variation of Latitude with the Moon's Position

Year:
1929
File:
PDF, 225 KB
1929
10

Variation Effect in Latitude, Correlatable with the Moon

Year:
1933
File:
PDF, 92 KB
1933
11

Variation in Latitude with the Moon's Position

Year:
1936
File:
PDF, 227 KB
1936
12

RADIO RECEPTION AND THE SUN-SPOT CYCLE

Year:
1935
Language:
english
File:
PDF, 287 KB
english, 1935
13

Optical tests of the 69-inch Perkins observatory reflector

Year:
1933
Language:
english
File:
PDF, 409 KB
english, 1933
17

Harvard University

Year:
1936
Language:
english
File:
PDF, 59 KB
english, 1936
19

Auroras, radio field-strengths, and recent solar activity

Year:
1940
Language:
english
File:
PDF, 661 KB
english, 1940
20

A New Laboratory for Cosmic-Terrestrial Research

Year:
1941
Language:
english
File:
PDF, 396 KB
english, 1941
22

Changes in ionization and radio reception during the sunspot-period 1944–1947

Year:
1948
Language:
english
File:
PDF, 317 KB
english, 1948
23

The Influence of the Sun on Human Affairs

Year:
1936
Language:
english
File:
PDF, 1.12 MB
english, 1936
24

Which Way Science?

Year:
1939
Language:
english
File:
PDF, 868 KB
english, 1939
25

Seventh Assembly of the International Union of Geodesy and Geophysics

Year:
1939
Language:
english
File:
PDF, 710 KB
english, 1939
26

The Seventh Assembly of the International Union of Geodesy and Geophysics

Year:
1939
Language:
english
File:
PDF, 218 KB
english, 1939
27

Fogs, Clouds and Aviation

Year:
1944
Language:
english
File:
PDF, 244 KB
english, 1944
28

Introduction to Celestial Navigation

Year:
1943
Language:
english
File:
PDF, 208 KB
english, 1943
29

The Case of Television

Year:
1944
Language:
english
File:
PDF, 339 KB
english, 1944
30

The New Cycle of Sunspots

Year:
1944
Language:
english
File:
PDF, 88 KB
english, 1944
31

Notes on the Solar Eclipse of July 9, 1945

Year:
1946
Language:
english
File:
PDF, 354 KB
english, 1946
32

Smithsonian Centennial Issue || The Current Sunspot Trend

Year:
1946
Language:
english
File:
PDF, 526 KB
english, 1946
33

Astronomy for Teen Agers

Year:
1946
Language:
english
File:
PDF, 333 KB
english, 1946
34

Shadow Bands

Year:
1925
Language:
english
File:
PDF, 1.16 MB
english, 1925
35

Marine and Air Navigationby John Q. Stewart; Newton L. Pierce

Year:
1945
Language:
english
File:
PDF, 99 KB
english, 1945
36

Dimout Reveals Secrets of the Nebulous Andromeda

Year:
1945
Language:
english
File:
PDF, 346 KB
english, 1945
37

Spherographical Navigation

Year:
1944
Language:
english
File:
PDF, 240 KB
english, 1944
38

THE SUN AND THE ATMOSPHERE

Year:
1942
Language:
english
File:
PDF, 1.82 MB
english, 1942
39

Coast, Waves, and Weather for Navigatorsby John Q. Stewart

Year:
1946
Language:
english
File:
PDF, 134 KB
english, 1946
41

Hydrographic Manualby K. T. Adams

Year:
1945
Language:
english
File:
PDF, 129 KB
english, 1945
46

Further studies of radio transmission in geophysical investigations

Year:
1934
Language:
english
File:
PDF, 209 KB
english, 1934
49

Increasing Spottiness of Sun to Help Local Radio Reception

Year:
1933
Language:
english
File:
PDF, 342 KB
english, 1933