Vintage Dutch Science Class Chart of Crayfish Anatomy c.1930 Trays The helmet has some scratches

The helmet has some scratches and the chin strap is broken with only the sides remaining

Cincinnati U

CREATOR Unverified

but you can also find aluminum and poly blocks

The unique and elegant wooden legs are a Danish oiled American Black Walnut

Vintage Dutch Science Class Chart of Crayfish Anatomy c.1930 Trays The helmet has some scratchesABOUT A vintage Dutch science class chart of a crayfish's anatomy. Unframed. Linen backed. CREATOR H. J. van der Vegt, Haarlem, The Netherlands. Imported by A. J. Nystrom & Co., Chicago. DATE OF MANUFACTURE c. 1930 1950. MATERIALS AND TECHNIQUES Printed Paper, Linen. CONDITION Good. Wear consistent with age and use. DIMENSIONS H 29 in. x W 39. 25 in. HISTORY Unknown.