Assets:
Johann Wilhelm Weis-Cuiller, photo par Ji-Elle sur Wikipedia: https://commons.wikimedia.org/wiki/File:Johann_Wilhelm_Weis-Cuiller.jpg licenced under CC-BY-SA 4.0:  https://creativecommons.org/licenses/by-sa/4.0/
Coffee spoon MET 17847.jpg, CC0 https://commons.wikimedia.org/wiki/File:Coffee_spoon_MET_17847.jpg