Browse Items (170 total)

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Researcher with slide rule

A researcher is sitting at a desk working out calculations on a slide rule. There are papers and several books laying open on desk.

Researcher with slide rule

A researcher is sitting at a desk working out calculations on a slide rule. There are papers and several books laying open on desk.

Researcher with the quick curing fertilizer dryer, 1953 or 1954

A researcher works on the quick curing fertilizer dryer.

Researcher with the quick curing fertilizer dryer, 1953 or 1954

A researcher works on the quick curing fertilizer dryer.

Seated researcher, 1975

A researcher is seated at a desk with file cabinets in the background.

Seated researcher, 1975

A researcher is seated at a desk with file cabinets in the background.

Small pilot plant, 1951

This section of chain with four clamps is part of a piece of equipment.

Small pilot plant, 1951

This section of chain with four clamps is part of a piece of equipment.

Smalley Force Feed Ensilage and Fodder Cutter, 1937

This is the Smalley Force Feed Ensilage and Fodder Cutter. Patent dates of Jan. 26, 1904, Aug. 9, 1910, and Nov. 12, 1912 are engraved on the top of the machine. Machine is part of project 158.

Smalley Force Feed Ensilage and Fodder Cutter, 1937

This is the Smalley Force Feed Ensilage and Fodder Cutter. Patent dates of Jan. 26, 1904, Aug. 9, 1910, and Nov. 12, 1912 are engraved on the top of the machine. Machine is part of project 158.

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