The Bookshelf for boys and girls Book of Wonders and Curious Things (1912)
University Society, New York · New York: University Society · leaf 43
n as to the alti- light the air under the jar is at any moment bythe instrument connected with it. So saying,Uncle Tom showed a picture of the apparatus. It looks like a thermometer, said May. It does; and it is a similar instrument, calleda manometer, or measurer of the pressure ofgases, such as… … HE JUNGFRAU, FROM THE RUGEN, NEAR INTERLAKEN. tude. Guinea-pigs were chosen to experimentupon; and as it would have been difficult actu-ally to take them up the Jungfrau Mountain, avery clever scheme was found to produce thesame conditions. Air, light as it may seem, weighs fifteenpounds a square…
Children's literature · Children's encyclopedias and dictionaries · Literature · Encyclopedias and dictionaries
Internet Archive · BYU–Idaho · Public Domain Mark 1.0. Free to use for anything.
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial271dodg-561-535.webp)
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial231dodg-403-319.webp)
