[nemfrog]

“Comparison diagrams to test accuracy of Duplex Pendulum Seismograph.” Proceedings of the Royal Society of London. 1888.

[vinterblod-deactivated20190317]

[everythingfox]

Ploink

[nemfrog]

Partial solar eclipse.  The book of stars. 1920.

[nemfrog]

Annular eclipse. The book of stars. 1920.

[nemfrog]

Saturn and earth, size comparison. Astronomy by observation. c. 1886. 

[chaosophia218]

Stephan Michelspacher - Anfang Exaltation (Antique Alchemical Illustration showing Signs of the Zodiac, Letters of the Alphabet and a Classification of the States of Matter arranged around a depiction of the Beast of Babylon), “Cabala,Spiegel der Kunst und Natur, in Alchymia”, 1616.

[chaosophia218]

[everythingfox]

Camera shy

[70years]

Byam Shaw

[sapphire1707]

[cassa-daga-deactivated20130102]

[cuteanimalsgifspics]

[chaosophia218]

Cosmic Harmonies.

[maureen2musings]

[wrde]

[shantisheaan]

Reclining, ink on paper