Pencil Drawing Collection (#30)
Black Grouse or Blackgame (Tetrao Tetrix)
Illustration of a Black Grouse or Blackgame (Tetrao Tetrix)
Polytrichum commune (Common haircap moss)
Illustration of a Polytrichum commune (Common haircap moss)
Footwear manufacturing, polishing machine
Illustration of a footwear manufacturing, polishing machine
Footwear manufacturing, Soldering machine
Illustration of a footwear manufacturing, Soldering machine
Chocolate making machine, Venting machine
Illustration of a chocolate making machine, Venting machine