[Instruments, books and other objects memorable to (almost) forgotten opinions, therapies, buildings, et cetera. The "spermorgan"].
D000818:Animals; D049673:History, 20th Century; D008297:Male; D009426:Netherlands; D013048:Specimen Handling / Q000266:history* / Q000295:instrumentation / Q000662:veterinary; D013076:Sperm Count / Q000266:history / Q000295:instrumentation / Q000379:methods / Q000662:veterinary; D001503:Ursidae