# Popular Science Volume 81

2013-04-02 - Replaced upload of Popular Science Monthly donated by MBLWHOI Library http://archive.org/details/popularsciencemo81newy where page 12 and 13 scans were blurred 2013-09-06 - Found that this copy is missing pages 562 and 563 - Ineuw

- Kind: Magazine
- Series: Popular Science
- Year: 1912
- By: James McKeen Cattell
- Archive: [Internet Archive](https://archive.org/details/PopularScienceVolume81)
- Licence or status: none stated by the archive
- Who can read it: Tweens profiles and older (placed by Invisible Network from what the archive says)

[Read it](https://invisiblenetwork.ai/print/ia/PopularScienceVolume81/read)