From early dawn to midnight I bent over the test-tube and the furnace.
Pour off the water, add more water, and place in a test-tube.
Place a few drops in a test-tube, and heat cautiously over a spirit-lamp, and when it boils remove, and inhale by the nose.
But it will be the test-tube and not the cogwheel that will make the money.
I top the test-tube with another tube, the ...