Scientific Tellurium and Lunarium by Jean Felkl, Praha, circa 1870

A botanic didactical specimen, depicting a Vitis Vinifera flower, pale yellow green color made out of papier mache, plaster and wood hand painted. Extremely detailed. Paravia Milano,...

Blown glass scientific instrument to evaluate the expansion of the liquids with the warmth. Italy circa 1900.

Blown glass scientific instrument to evaluate the expansion of the liquids with the warmth. Italy circa 1900.

A rare example of a botanical maquette for didactic use by Professor T. Ferraris, depicting a (natural) strobilus and a scale with ovules (about 12 times enlarged) of Spruce (Picea e...

Blown glass scientific instrument. A fine example of Crookes tube with Maltese cross, the precursor of the cathode tube. It demonstrates the rectilinear m...

Scientific tool for demonstrating and assessing the refraction of light. Constructed in boxed metal with a square section, it consists of a horizontal...

Antique brass orrery planetarium made for the German market by Jan Felkl Prag in the second half of the nineteenth century. Cast iron base, papier mâché´ globe, with detailed territorial map and oceanic currents. Very good condition. Measures: Length 75 cm - 29.5 inch, height 48 cm - 18.8 inch, width 28 cm - 11 inch. Shipping in insured by Lloyd's London and the gift box is free (look at the last picture). Jan Felkl (1817-1878) was born in Bohemia and already in 1840 he had designed some globes in 6 different sizes. During the following 20 years he became the biggest maker of globes in market Austro-Hungarian, making terrestrial and celestial globes in 17 different languages, lunar globes and planetaria. Felkl showed his globes at international fairs in 1867 in Paris and in 1873 in Vienna. He established his Geographic and lithographic Institute in Prague for Making globes and maps. In 1870 he moved his factory from Prague to Roztok and his youngest son became his partner in the firm now named Felkl & Son, making globes and selling them all over the Europe and also in the Usa. Shipping is insured by Lloyd's London; our gift box is free (look at the last picture). The orrery is the most detailed and complex representation of the cosmos and in addition to the movement of stars,it includes movement of the sun, moon and planets, like a giant clock mechanism. Among these devices one of the oldest was an orrery by Archimedes, which Cicero speaks widely in Tusculanae Disputationes I, 63: when Roman troops sacked Syracuse in 212 BC, the consul Marcus Claudius Marcellus in Rome brought the instrument of Archimedes, who, thanks to his ability and divine intelligence that he possessed, had managed to generate the motions of planets, each so different, from a single rotation.
Because of heliocentric system theorized by Copernicus, it was possible to create mechanical antique orreries...

Induction coil by Du Bois Reymond, also known as Sled of the Du Bois Reymond system designed around 1870 during electrophysiology studies by Emil Du Boi...

French Planetary Clock In Golden Brass And Tellurium Marble, Planetarium Rare French planetary from the 19th century in brass and Royal Red marble base...

Antique map titled 'Italiae pars media'. This map originates from 'Atlas Antiquus. Zwölf Karten zur Alten Geschichte' by H. Kiepert. Published in Berlin, circa 187.

Antique map titled 'Aegyptus, Phoenice et Palestina'. With inset maps of Tyrus, Alexandria and Hierosolyma. This map originates from 'Atlas Antiquus. Zwölf Karten zur Alten Geschicht...

This is a vintage surveyor's level. An English, brass scientific instrument with enamelled finish, dating to the mid 20th century, circa 1950. Appe...