Lot 0197

Pair of Antique C.H. Stoelting Voice Keys

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L.E. Knott Apparatus Co. Wood Relay, Resistance Box & C.H. Stoelting Apparatus: L.E. Knott Apparatus Co. Wood and brass relay & L.E. Knott Apparatus Co. Resistance Box. Also includes C.H. Stoelting Apparatus Telegraph Key. Measures 3 1/4" x 8" x 4 1/8" & 4" x 8 1/4" x 4 1/2" & 4"

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Antique Hering's Contrast Apparatus C.H. Stoelting: Antique pre 1903 C.H. Stoelting Hering's Contrast Apparatus visual contrast device with red/blue/green glass and stimulus plates. The Antique Hering's Contrast Apparatus by C.H. Stoelting is a vintage

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Antique Jacquet's Graphic Chronometer C.H. Stoelting circa 1920: Antique chronometer appears to by C.H. Stoelting pre 1930 with tambour needle, 2 gauges in 10 increments with case. Named after the French physiologist Charles Jacquet, this device allows researchers

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Antique Vertical Kymograph by C.H. Stoelting: Antique early lie Kymograph by C.H. Stoelting circa 1910. Rotates so stylus can make recordings on smoked paper. Used to record muscular motion, changes in blood pressure, and other physiological phen

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Antique 1920's Carl Seashore Audiometer Apparatus C.H. Stoelting: Named after the renowned psychologist Carl Seashore, this apparatus allows for precise measurement and evaluation of auditory thresholds and hearing sensitivity. It typically consists of adjustable co

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Misc. Rod, Clamps & Stands, C.H. Stoelting & Chicago Apparatus Co.: Group of vintage misc. rods, clamps and cast iron stands by C.H. Stoelting & Chicago Apparatus Co. circa 1930. 20 pcs. with some labels. Measures 3" to 8" each. antique medical, antique psychology, an

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Antique 19th Century Wundt Control Sound Hammer: 1890's Wundt Control Sound Hammer, produces response for reaction time; brass era by C.H. Stoelting. The Wundt Control Sound hammer is a specialized tool developed by Wilhelm Wundt, a pioneering psych

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Antique Lot of Misc. Electromagnetic Parts & Pieces: Antique electromagnetic parts pieces and apparatus. Includes: Inductorium pre 1903, Chicago Apparatus Co. Reymond Type Inductorium that regulate current, C.H. Stoelting Transformer with 2 coils mounte

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Misc. Protractors & Discs: Includes C.H. Stoelting cardboard and metal disks in various diameters. Threlkeld & Tilford Scientific Apparatus & Specialty disks 1914. Universal Microphone Co. Stroboscope. Central Scientific Siren

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Early Snellen Test Letters & Optical Test Materials C.H. Stoelting: 4 fold out eye test charts pre 1930 and other various optical test materials on card stock by C.H. Stoelting. The Snellen Test Letters, named after the Dutch ophthalmologist Herman Snellen, are a stan

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Antique Early Lie Detection Polygraphy Machine Parts & Accessories: Antique early lie detection parts and accessories including: Pneumograph Sumner's intact hoses with metal end plates by C.H. Stoelting, 1930's. 51 wooden mouthpieces for spirometer by C.H. Stoelting,

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Vintage Color Mixer with Variety Lot of Rotator Disks: Vintage black metal color mixer with label by C.H. Stoelting and over 400 rotator disks by various makers, sizes and colors mainly Hering's. vintage medical, vintage psychology, vintage science

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Antique 1930's Goddard Form Board IQ Test Set Form L: Vintage C.H. Stoelting Goddard Form Board Test Form L, IQ kit wooden case with 10 wood puzzle pieces and figures. Measures 15" x 10" x 2. vintage medical, vintage psychology, vintage science

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Vintage C.H. Stoelting Color Mixer Lot of 2: 2 Vintage color mixers in powdered light blue with silver tone metal disks. Measure 12 1/4" x 8 1/8" x 8 3/4" vintage medical, vintage psychology, vintage science

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Vintage 1930 Memory Measuring Tools & Apparatus: Includes vintage memory measuring tools from circa 1930. Dearborn Langfeld type Tachistoscope by C.H Stoelting memory apparatus Finger Maze (Miles) C.H. Stoelting copper wire stapled to plywood base f

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2024Vintage C.H. Stoelting Color Mixer Lot of 2See Sold Price

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Pair of Antique C.H. Stoelting Voice Keys

Item Details

Description

Antique pre-1930 voice keys for measuring auditory reaction time experiments.

antique medical, antique psychology, antique science

antique medical, antique psychology, antique science

Condition

Some signs of wear and use. Untested.

In house domestic shipping $35.

Buyer's Premium

Pair of Antique C.H. Stoelting Voice Keys

Name: Pair of Antique C.H. Stoelting Voice Keys
SKU: 175724793
Price: 890 USD
Availability: InStock

Estimate $100 - $150

See Sold Price

Starting Price $25

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Item located in Chamblee, GA, us

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