You Searched For
Start Over You searched for: Date 1990 Remove constraint Date: <span class="single" data-blrl-single="1990">1990</span>-
Spinco Model J-6 Centrifuge
- 1990s
Beckman Instruments began producing centrifuges after their January 1, 1955 acquisition of industry leader, Specialized Instruments Corporation, or Spinco. With Spinco came the famous Model E Ultracentrifuge, which was…
-
Congolese postage stamp commemorating Alexander Fleming's Nobel Prize in Medicine
- After 1970 – before 1991
Stamp depicts Alexander Fleming and penicillin.
-
Postage stamp from Comoros commemorating Avicenna (Ibn Sina)
- After 1979 – before 2000
Postage stamp from Comoros, an archipelago of volcanic islands situated off the south-east coast of Africa, featuring a depiction of Persian polymath Avicenna (circa 980 - 1037), also known as Ibn Sina, Abu Ali Sina,…