Automated Furnace -- This large 60-inch-diameter vacuum furnace at the Lindberg Hevi-Duty Chicago manufacturing facility, will be installed at United Air Lines' san Francisco maintenance base. The unit uses combinations of vacuum and partial pressure to achieve a wide range of heat treatment capability.

Digital Commonwealth — Boston Public Library

Automated Furnace -- This large 60-inch-diameter vacuum furnace at the Lindberg Hevi-Duty Chicago manufacturing facility, will be installed at United Air Lines' san Francisco maintenance base. The unit uses combinations of vacuum and partial pressure to achieve a wide range of heat treatment capability.

[ca. September 1970]

RightsCC0 — Public Domain

CollectionDigital Commonwealth — Boston Public Library

[Information from item housing] Industry & Manufacturing

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