Order of the Annunciation
"The religious Order of the Heavenly Annunciation, or of the Nuns of the Annunciation of Mary, was instituted…
Rhabdom
"Transverse section of the rhabdom of a retinula of the scorpion's central eye, showing its five constituent…
Dash Wheel
"Harness hides are washed by some means in pure water, the most convenient and generally adopted method…
Diurnal Parallax
"If we suppose a spectator placed at G, in the Earth's center, he would see the moon E, among the stars…
Annual Parallax
"Suppose a to be a stationary celestial object, then as the Earth makes her annual revolution around…
Star Anise
A chinese flower. It abounds in a volitale oil which gives it an aromatic flavor and odor. Used as a…
Cardinal Wolsey Served by Noblemen
When Henry VIII became king in 1509, Wolsey's affairs prospered. He became Canon of Windsor, Berkshire…
Alga
Magnified view of some of a simple fresh water Alga, the Tetraspora lubrica, each sphere of which may…
Star of Bethlehem
"Star of Bethlehem, or Ornithogalum, a genus of bulbous plants belonging to the order Liliacae."—Finley,…
The Siphon
"A siphon is used to draw off liquids from a higher elevation to a lower one. The siphon uses the vacuum…
Diminish Shadow
"Since A is producing light and larger than object B, the shadow of B continuously shrinks to a single…
Nerve Fibers
To illustrate the structure of nerve fibers. Labels: A, nerve fiber examined fresh; n, node. B, nerve…
Serous Glands of a Rabbit
Serous glands. Labels: a, rabbit's pancreas "loaded" (resting); c, "discharged" (active) (observed in…
Bilingual Starfish Counting Card 1
Bilingual Counting Card featuring an illustration of one Starfish.
Bilingual Starfish Counting Card 2
Bilingual Counting Card featuring illustrations of two Starfishes.
Bilingual Starfish Counting Card 3
Bilingual Counting Card featuring illustrations of three Starfishes.
Bilingual Starfish Counting Card 4
Bilingual Counting Card featuring illustrations of four Starfishes.