1956 · Electronic Cell Counter · Work 1021 of 1,871
A hospital haematology laboratory in Chicago on a winter evening, on a bench a flat black instrument box fifty centimetres wide with a grey-black lid, on its front a toggle switch, two narrow upright slot indicators and a square screen glowing green with a single bright line of tiny spikes, a large knurled knob with a plain smooth ring, beside it a glass sample stand on a chromed foot in a clear acrylic frame, a glass tube with stopcocks, orange rubber tubing, a small beaker of pale pink diluted fluid, a hand in a white coat sleeve turning a stopcock, an old brass microscope idle under a dust cover, one green-shaded lamp.