On Subtlety (1550) - Page 16

Topic	Page
Floods. See: Inundations.
Causes of floods.	74
Diphryges. original: "Diphryges"; a byproduct of smelting copper.	142
The difference between divine inspiration and demonic possession.	361
A remedy for pains. See: Animals generated from putrid matter.
Sleepers. See: People who [act] through sleep.
How you may see your back.	108
The principle of the duel.	335

E

Topic	Page
Why a drunk person appears as if possessed by a demon.	347
Ivory.	230
The manner of eclipses. See: Altitude of the sun.
Why everything is saffron-colored at the time of a solar eclipse.	103
Sea urchin original: "Echinus".	237
What an echo is.	359
Electrum A term used for both amber and an alloy of gold and silver..	157
Electrum reveals poisons.	157
How the elements [exist] in a mixture.	50
Elements in a mixture in two ways.	126
Euclid's Elements. See: Euclid's elements.
The number of elements.	23
The nature of elements.	27
The size of elements.	74
The cause and sign of the size of the elements.	75
The element in actuality, in all mixtures.	125
The form of elephants.	229
Tightrope-walking elephants.	344
The composition of the elytrum The hardened wing-case of a beetle..	52
Embryo. See: Fetus.
Encrinos stone A fossilized sea-lily..	192
The wondrous form of the Enophylus Likely a reference to a specific plant or rare aquatic creature..	216
The spear-like sword.	315
Entrochos stone A wheel-shaped fossil, typically a crinoid stem segment..	192
The Holm-oak tree original: "Enzina"; from the Spanish 'encina'..	209
The ephemeron A short-lived insect or plant..	225
The epilogue of the book.	371
The property of the regular heptagon.	306
How horses may not be infested by flies.	289
That the feet of horses following the tracks of a wolf become numb.	345
Erano stone.	165
Whence the illusions of hermits [arise].	357
The principle of capstans Capstan: A vertical-axled rotating machine (windlass) used to move heavy weights..	328
The hedgehog or urchin.	227
The powers of the hedgehog.	348
Things that destroy caterpillars.	353
A painless caustic. See: Cautery.
Chariot. See: Principle of carriages.
Praise of Euclid.	314
How Euclid’s elements may be demonstrated without variation of the circle.	296
How the sixth proposition of the first book of Euclid’s elements may be truly demonstrated and shown.	298
The property of the regular hexagon.	306
Hexagon stone.	192
A wondrous experiment.	154
Why blowing out with an open mouth is hot, and with a narrow mouth cold.	54

F

Topic	Page
Beans vitiate the air. See: Air.
Why the telling of stories delights.	291
How you may make torches from any wood.	38
Proportions of the human face. See: Human face.
To engrave the middle of the face. See: To engrave.
How the face may be represented under different colors.	93
Why the false [never follows] from the true. See: Truth.
Cat.	233
The pupils of cats are not exactly round.	360
How you may kill wild beasts.	288
How wild animals may be tamed. See: Wild animals.
On warding off wild beasts.	349
Iron scale Flakes of oxide produced when iron is forged..	143
The most noble kinds of iron. See: Steel.
Oil smeared on iron. See: Oil.
Iron resistant to fire-engines This refers to early firearms or artillery.. See: Breastplates.
Iron is transmuted into bronze original: "aes"..	147
How iron may become soft.	159
How iron may be engraved.	159
How iron may be divided by a thread.	159
Rust.	143
Beaver.	233
How fresh figs may be had for the whole year.	282