[Anselme Payen; French chemist] Note Signed Payen with flourishes to Mon cher colleague. See image.

Anselme Payen (1795 – 1871), French chemist known for discovering the enzyme diastase, and the carbohydrate cellulose.
Publication details: 
Paris le 28 avril 1834 [partly printed].
SKU: 23726

One page, 20 x 19cm, part crumpled, and stained, small chips on edges, text which, despite disparity from signature, must surely be in Payen's hand, just legible and complete. Docketed in another hand. See Image.