Boxed set of thymol blue "Capillators"
- maker:
- British Drug Houses Limited
Boxed set of thymol blue "Capillators", pH range 8.0 to 9.6, with dye missing, made by the British Drug Houses Ltd., London, 1952
Boxed set of thymol blue "Capillators", pH range 8.0 to 9.6, with dye missing, made by the British Drug Houses Ltd., London, 1952
