1. Atomic absorption spectrophotometer equipped with an air-acetylene burner

2. But probably taken out with an acetylene burner during the postwar crime waves

3. Set up AA spectrometer with simultaneous background correction and air-acetylene burner according to manufacturer's instructions.

4. Joseph got there with his equipment, eventually assembled the projector with its acetylene burner, and proceeded with the program.

5. Atomic absorption spectrophotometer, Perkin-Elmer Model 403 or equivalent equipped with: (a) P.E. HGA-400 graphite furnace with automatic stop-flow mode; (b) simultaneous deuterium-arc background correction; (c) fast-response (<0.5s Full Scale) strip-chart recorder; (d) graphite tubes, not pyrolytically coated; (e) lead and cadmium EDL lamps and power supply; or, hollow cathode lamps; (f) air-acetylene burner.