Browse Items (8955 total)

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027001
A cross-sectional illustration of a mine. Gears and drive-shafts harness horse power to operate an underground ore lift.

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027002
A cross-sectional illustration of a mine. A turbine powers three subterranean piston pumps in succession to drain a flooded mine shaft.

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027003
An illustration of a mine ventilation system. The vane (H) orients the wooden vessel (A) so that the vent (C) faces the wind. The wind forces fresh air through a pipe (D) and into the mine.

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027004
An illustration of two mine shafts. The man on the hill uses plumb lines and triangulation to determine subterranean distances.

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027005
A depiction of "an instrument which will shew at any houre of the night, how much the Loadstar is either above or beneath the Pole." This illustration is particularly interesting because a former owner made the instrument by stitching a paper disc…

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027006
An illustration of a mariner's quadrant, a device used to determine one's latitude at sea

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027007
An advertisement for Robert Hartwell's teaching services.

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027008
Title page of Blundeville's treatise on Cosmography

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027009
Title page of the 7th edition of Mr. Blundevil His Exercises

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027010
The first page of a table detailing the positions of 777 stars.

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027011
An illustration of Cassiopeia in reverse or as seen from without the celestial sphere. The super nova of 1572 (SN 1572) is depicted along the back of the throne.

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027012
An illustration of a fortification and soldiers

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027013
An illustration of soldiers performing drills outside of a fortification

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027014
Another illustration of soldiers performing drills outside of a fortification

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027015
Title page of Opera Nuova di Fortificare, Offendere, et Difendere

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027016
An anatomy, illustrating blood vessels in the feet, left hand, and right arm.

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027017
First two pages a seven-page table listing "Natures and Complexions," maladies, and advice corresponding to the signs of the zodiac. Entries for Aries, Taurus, and Gemini are visible.

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027018
A table illustrating the influence of the planets and the zodiac on maladies in specific parts of the body. The signs of the planets are listed in the first row, and the signs of the zodiac run down the first column.

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027019
A blank astrological chart. Each of the twelve triangles corresponds to one of the signs of the zodiac.

http://www.columbia.edu/cgi-bin/cul/dev/dlo2?obj=politic_eco_110027020
Cherubim experimenting with magnetic globes.
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