"Seal-ease" tube sealer and holder
"Seal-ease" tube sealer and holder, plastic and plasticine, made by Clay-Adams Inc., New York, c.1979
Elisa antigen-antibody test system, for German measles, made by Ortho Diagnostics, Canadian(?), 1979
"Seal-ease" tube sealer and holder, plastic and plasticine, made by Clay-Adams Inc., New York, c.1979
Packet of 200 capillary tubes, plastic, made by Propper Manufacturing Co. Inc., New York, 1978-1980
Copy of microtitre plate, plastic, British, 1978-1980
ELISA antigen-antibody test system, for German measles, made by Ortho Diagnostics, 1979
Burette used with ELISA antigen-antibody test system,made by Ortho Diagnostics, 1979
Lancet used with ELISA antigen-antibody test system, made by Ortho Diagnostics, 1979