BUILT-IN SLIDE RULE. LIKE NEW CONDITION.
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Ideal for HVAC professionals, laboratories, industrial settings, and educational use. Slide Rule Calculator: Built-in for direct RH readings—no external charts needed. Condition: Used in very good condition in original box!
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Bacharach SAC sling psychrometer with torn instructions.
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This vintage Bacharach Sling Psychrometer is a must-have for collectors and enthusiasts of scientific instruments. Made in the United States, this piece is a rare find and perfect addition to any collection. Designed to determine 0/0 relative humidity, this psychrometer is a valuable tool for measuring the moisture content of the air. With its intricate design and high-quality craftsmanship, this Bacharach Sling Psychrometer is a true gem for any collector or lover of science.
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