GODDARD ROBERT H Rinsing Valve A single sheet with a drawing

Sale 2073 - Lot 4

Unsold

Estimate: $ 7,000 - $ 9,000

GODDARD, ROBERT H. Rinsing Valve. A single sheet with a drawing and notes depicting Goddard's concept of how a liquid nitrogen rinsing valve should operate. Written in pencil on evenly browned paper. Approximately 5x8 inches. Bearing a 1973 authentication by Nils Ljungquist.Nd

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Additional Details

The number "4" is written in the upper right-hand corner, and shows a large drawing of a nitrogen rinsing valve with supply lines. Notes next to the drawing read in part: "Bellows force not large, to avoid chamber pressure from passing into N(itrogen) line." Also, the "Liquid N supply line" is labeled with the comment of: "Use this, light construction."