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An Auburn University Ph.D. student in material science engineering assisted in polishing the interior of the flight tube (one half shown)

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Early stages of development in ANIMAL

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A round of cold-rolled mild steel was used for machining the pole pieces of the electromagnet.

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Auburn university machinist fabricating the pole pieces of the electromagnet
 

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Frame (three pieces) and pole pieces of the electromagnet following machining

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Early development and testing of the placement for the source, flight tube, detector (note ETP multiplier) and electromagnet. The fine wire, at right, was used in winding the secondary electromagnet coils (for fine adjustment and computer control).

 
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Winding a main coil for coarse control of the electromagnet

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AU Geology graduate student Sarah Lavallee winding a coil for the main (coarse) magnet control, in the Auburn University Central Machine Shop

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View of the electron-impact ion source, based on Wallington (1971; after Nier, 1947). The source was designed to fit conveniently within a 2.75" cube, and is mounted on a 2.75" feedthrough flange

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The table design and equipment layout permits the extraction line and mass spectrometer to be baked independently at temperatures up to 350 °C.

The complete system.