Autograph quotation signed.
Königsberg, 10 Dec. 1736.
Oblong 8vo. 1 p.
€ 800.00
"Panta dokimazete, to kalon katechete" ("Test everything. Hold on to the good", Thessalonians 5:21).
Christoph Langhansen was professor of mathematics and theology in Königsberg, several times president of the university and author of numerous mathematical and astronomical writings.
With small ms. numbering.
