ALL ITEMS
Sort by:
All
Alchemic approach to four humors in relation to the four elements and zodiacal signs. Book illustration in “Quinta Essentia” by Leonhart Thurneisser zum Thurn (gen. Leonhard Thurneysser). Inscriptions (clockwise): Flegmat, Sanguin, Coleric, Melang.…
This is an Ancient Babylonian clay tablet, named Plimpton 322 for its numbering in the G.A. Plimpton Collection at Columbia University. It is thought to contain a table of Pythagorean triplets or numbers that satisfy the three sides of a right…
This is a detailing of a portion of the Rhind Mathematical Papyrus, an Ancient Egyptian scroll now housed in the British Museum. This scroll features mathematical problems, including the calculating of the slope of a pyramid, called a Seked. Dated…
In this example problem in Richard Turner's book "Plain Trigonometry," on page 16, Turner shows how the reader can use his methods of solving triangles to determine the height of a tower without walking all the way to its base.
In this example problem in Richard Turner's book "Plain Trigonometry," on page 37, Turner walks the reader through using his methods of trigonometry to determine the distance to an object without having to walk to the object or measure any angles.
In the final example problem of Richard Turner's book "Plain Trigonometry," on page 38, Turner describes how to determine the location of a beehive by catching and releasing bees.
On page 21, the seventh example problem of Richard Turner's book "Plain Trigonometry," Turner uses his methods of trigonometry to find how far out to sea a ship is by use of a tower in the harbor.
On page 10 of Richard Turner's book "Plain Trigonometry," bound together with his works on Astronomy and Geography, Turner explains how his four axioms of solving right triangles can also be used to solve oblique triangles by breaking down the…
On page 13, this is the third example case dealing with oblique triangles that Richard Turner examines in his 1765 book, "Plain Trigonometry." Turner solves oblique triangles by breaking them down into right triangles.
A picture of a page from Thomas Cogan's "Haven of Health" describing the benefits of mace, cloves, and nutmeg.
A picture of a page from Thomas Cogan's "Haven of Health" describing the benefits of butter.
A picture of a page from Thomas Cogan's "Haven of Health" describing the benefits of butter.
A picture of a page from Thomas Cogan's "Haven of Health" describing the benefits of oranges and lemons.
A picture of a page from Thomas Cogan's "Haven of Health" describing the benefits of oranges and lemons.
A picture of a page from Thomas Cogan's "Haven of Health" describing the benefits of apples.
A picture of a page from Thomas Cogan's "Haven of Health" describing the benefits of wheat.
A picture of a page from Thomas Cogan's "Haven of Health" describing the benefits of Meat
An illustration of anatomical theater, where the study of the body would be performed, created by Andries Stock in 1616.
An illustration of Hippocrates (460-377 BCE), a Greek physician who created humoral pathology.
A piece of jewelry created in the 1500s made of gold and highlighted by emeralds and diamonds the original creator is unknown however it was donated to the Walters Art Museum in 1931.
A woodcut in a series created by Hans Holbein the Younger. This is image is "The Physician" from his "Totentanz" or "Dance Macabre" series.
A three-tiered diagram symbolizing the arts of alchemy. The top symbolizes the various states of matter, the middle represents diagrams. The lower section symbolizes distillation and calcination.
A letter that Parkinson wrote to the queen in the beginning of "The Garden of Pleasant Flowers"
Close up still image of the word "tomes" in the 1628 edition of The Anatomy of Melancholy.
