War engine with wheels, face, and spikes, apparently used to break up enemy ranks or crush enemy troops.

A wooden catapult used for hurling an object such as a stone.

A first edition, Italian work considered to be the earliest printed book on metallurgy published in Europe. The work was written in Venice by Vannoccio Biringuccio (c. 1480 – c. 1539), an Italian metallurgist of Siena,…

Work from the "pseudo-Geber" corpus, a group of writings falsely attributed to the Arabic alchemist, Abū Mūsā Jābir ibn Ḥayyān (died c. 806–816, Latinized as “Geber"). These writings are actually from 13th or…

A collection of four alchemical works ascribed to Ramon Llull (c. 1232-1316), of which three are printed here for the first time: Apertorium, Magia Naturalis, and Tertia Distinctio. The fourth treatise, De secretis…

Maranta of Venosa's work on antidotes to poisons. Only engraved title page has been digitized at this time.

Khunrath Heinrich's (1560-1605) Amphitheatrum Sapientiae, purportedly one of the most significant books of theosophical alchemy and the occult sciences. Though the title page reads 1602, the book was not published until…

Plate 1 of Khunrath Heinrich's (1560-1605) Amphitheatrum Sapientiae, purportedly one of the most significant books of theosophical alchemy and the occult sciences. Though the title page reads 1602, the book was not…

Plate 2 of Khunrath Heinrich's (1560-1605) Amphitheatrum Sapientiae, purportedly one of the most significant books of theosophical alchemy and the occult sciences. Though the title page reads 1602, the book was not…

Plate 3 of Khunrath Heinrich's (1560-1605) Amphitheatrum Sapientiae, purportedly one of the most significant books of theosophical alchemy and the occult sciences. Though the title page reads 1602, the book was not…

Plate 4 of Khunrath Heinrich's (1560-1605) Amphitheatrum Sapientiae, purportedly one of the most significant books of theosophical alchemy and the occult sciences. Though the title page reads 1602, the book was not…

Plate 5 of Khunrath Heinrich's (1560-1605) Amphitheatrum Sapientiae, purportedly one of the most significant books of theosophical alchemy and the occult sciences. Though the title page reads 1602, the book was not…

Plate 6 of Khunrath Heinrich's (1560-1605) Amphitheatrum Sapientiae, purportedly one of the most significant books of theosophical alchemy and the occult sciences. Though the title page reads 1602, the book was not…

Plate 7 of Khunrath Heinrich's (1560-1605) Amphitheatrum Sapientiae, purportedly one of the most significant books of theosophical alchemy and the occult sciences. Though the title page reads 1602, the book was not…

Plate 8 of Khunrath Heinrich's (1560-1605) Amphitheatrum Sapientiae, purportedly one of the most significant books of theosophical alchemy and the occult sciences. Though the title page reads 1602, the book was not…

Plate 9 of Khunrath Heinrich's (1560-1605) Amphitheatrum Sapientiae, purportedly one of the most significant books of theosophical alchemy and the occult sciences. Though the title page reads 1602, the book was not…

The title page and frontispiece of Khunrath Heinrich's (1560-1605) Amphitheatrum Sapientiae, purportedly one of the most significant books of theosophical alchemy and the occult sciences. Though the title page reads…

This early treatise on the chemistry and technology of glassmaking by Antonio Neri revealed the closely guarded secrets of Venetian glassmaking for the first time. The main part of the text deals with the coloring of…

A collection of alchemical works containing the first appearance of the supposed biography of alchemist Nicholas Flamel (c. 1340-1418). Flamel was a French scribe and manuscript-seller. Flamel and his wife, Perrenelle…

Two, first edition volumes bound together. Written by the English scientist, physician, alchemist, and Rosicrucian, Robert Fludd (1574–1637), this encyclopedic work is broadly themed upon the macrocosm and microcosm,…

First published in 1617, Michael Maier's alchemical emblem book contains a preface on ancient music and the Greek myth of Atalanta and Hippomenes and consists of 50 engraved emblems, each accompanied by a discourse and…