Scientific_American_-_Series_1_-_Volume_001_-_Issue_01.pdf
Size of this JPG preview of this PDF file:
438 × 599 pixels
.
Other resolutions:
175 × 240 pixels
|
351 × 480 pixels
|
561 × 768 pixels
|
749 × 1,024 pixels
|
2,243 × 3,068 pixels
.