Double container for test paper and spills
Double container for test paper and spills
Alexander urinary test case by Hawkesley, London
Double container for test paper and spills
Test papers, two books in container, part 1
Double container for reagents, parts 5 and 6
Nitric acid, empty bottle
Fehlings solution, empty bottle
Spirit lamp, brass
Pipette, glass
Forceps, brass, for urine test kit