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A wave demonstration machine, — auction comparables · Snaplot Comparables
We searched for
“Welch PSSC wave machine scientific apparatus”
(identified as
Welch
, confidence: High)
Typical realised range (Gemini estimate): £80-£250
10,000
comparables for
“A wave demonstration machine,”
· page 1 of 417
· Jun 2021
SCIENTIFIC APPARATUS CATALOGUE
A$38
est
A$70
–
—
· Jun 2021
SCIENTIFIC APPARATUS CATALOGUE
A$38
est
A$70
–
—
Books, Maps & Manuscripts
· Sept 2009
Scientific apparatus (qty)
£80
est
£80
–
—
· Sept 2009
Scientific apparatus (qty)
· Apr 2013
BRASS SCIENTIFIC DEMONSTRATION APPARATUS
US$550
est
US$550
–
—
· Sept 2023
Welch Scientific Co. scale
US$50
est
US$50
–
—
· Sept 2023
Welch Scientific Co. scale
loonestates
· Mar 2026
Chicago Apparatus Co. Scientific Display Model
US$16
loonestates
· Mar 2026
Chicago Apparatus Co. Scientific Display Model
· Jun 2025
A Catalogue of Medico-Scientific Apparatus
£19
est
£5
–
—
· Jun 2009
Scientific Apparatus: A liquid heat tester
£28
est
£28
–
—
· Jan 2018
Two Brass Scientific Apparatuses.
US$30
est
US$30
–
—
· Jan 2018
Two Brass Scientific Apparatuses.
· Mar 2013
A spark gap scientific appartus,
£70
est
£70
–
—
· Mar 2013
A spark gap scientific appartus,
· Mar 2017
L.E. Knott Apparatus Co. Scientific Equipment Cabinet.
US$244
est
US$244
–
—
· Mar 2017
L.E. Knott Apparatus Co. Scientific Equipment Cabinet.
US$200
est
US$200
–
—
· Jan 2020
W.M. Welch Scientific Company Balancing Scale
US$25
est
US$25
–
—
· Jan 2018
¢ Scientific Machine Corp. Field Goal Arcade Machine.
US$600
est
US$600
–
—
· Jan 2018
¢ Scientific Machine Corp. Field Goal Arcade Machine.
US$720
est
US$720
–
—
· Jul 2021
A WELCH SCIENTIFIC CO. ENGINE DEMONSTRATOR
US$100
est
US$100
–
—
· Dec 2015
Large quantity of scientific glass apparatus distilling instruments
£40
est
£40
–
—
· Feb 2020
(2pc) Vintage W.M. Welch Scientific Com. Balance
US$60
est
US$60
–
—
· Sept 2009
Dr Edward Wilson - scientific instruments and laboratory apparatus, (qty)
£2,600
est
£2,600
–
—
· Apr 2013
BOX LOT OF NICKEL PLATED AND STEEL SCIENTIFIC APPARATUS
US$3,500
est
US$3,500
–
—
· Jul 2023
Vintage Home Medical Apparatus/ Quack Machine
US$25
est
US$25
–
—
donleyauctions
· Aug 2025
Frank Betz Medical Apparatus Quack Machine
US$350
donleyauctions
· Aug 2025
Frank Betz Medical Apparatus Quack Machine
· May 2016
Five illustrated catalogues of laboratory/scientific apparatus and equipment
£40
est
£40
–
—
· Nov 2009
Scientific Instruments: An Electro-Medical Machine
£10
est
£10
–
—
· Jan 2020
Vintage Scientific Machine Corp. Panama DIgger
US$1,900
est
US$1,900
–
—
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£80
est
£80
–
—
Nautica, Technica & Optic
· Apr 2013
BRASS SCIENTIFIC DEMONSTRATION APPARATUS
US$550
est
US$550
–
—
Furniture, Design & Mirrors
US$50
est
US$50
–
—
Nautica, Technica & Optic
US$16
· Jun 2025
A Catalogue of Medico-Scientific Apparatus
£19
est
£5
–
—
Books, Maps & Manuscripts
· Jun 2009
Scientific Apparatus: A liquid heat tester
£28
est
£28
–
—
Toys & Collectables
US$30
est
US$30
–
—
Porcelain & Pottery
£70
est
£70
–
—
Furniture, Design & Mirrors
· Mar 2017
L.E. Knott Apparatus Co. Scientific Equipment Cabinet.
US$244
est
US$244
–
—
Furniture, Design & Mirrors
· Mar 2017
L.E. Knott Apparatus Co. Scientific Equipment Cabinet.
US$200
est
US$200
–
—
Furniture, Design & Mirrors
· Jan 2020
W.M. Welch Scientific Company Balancing Scale
US$25
est
US$25
–
—
Tin & Metals
· Jan 2018
¢ Scientific Machine Corp. Field Goal Arcade Machine.
US$600
est
US$600
–
—
Miscellaneous
· Jan 2018
¢ Scientific Machine Corp. Field Goal Arcade Machine.
US$720
est
US$720
–
—
Nautica, Technica & Optic
· Jul 2021
A WELCH SCIENTIFIC CO. ENGINE DEMONSTRATOR
US$100
est
US$100
–
—
Toys & Collectables
· Dec 2015
Large quantity of scientific glass apparatus distilling instruments
£40
est
£40
–
—
Nautica, Technica & Optic
· Feb 2020
(2pc) Vintage W.M. Welch Scientific Com. Balance
US$60
est
US$60
–
—
Lighting
· Sept 2009
Dr Edward Wilson - scientific instruments and laboratory apparatus, (qty)
£2,600
est
£2,600
–
—
Books, Maps & Manuscripts
· Apr 2013
BOX LOT OF NICKEL PLATED AND STEEL SCIENTIFIC APPARATUS
US$3,500
est
US$3,500
–
—
Postcards & Stamps
· Jul 2023
Vintage Home Medical Apparatus/ Quack Machine
US$25
est
US$25
–
—
Furniture, Design & Mirrors
US$350
· May 2016
Five illustrated catalogues of laboratory/scientific apparatus and equipment
£40
est
£40
–
—
Books, Maps & Manuscripts
· Nov 2009
Scientific Instruments: An Electro-Medical Machine
£10
est
£10
–
—
Nautica, Technica & Optic
· Jan 2020
Vintage Scientific Machine Corp. Panama DIgger
US$1,900
est
US$1,900
–
—
Furniture, Design & Mirrors
Filters
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Comparables
10,000
Median
£197
25–75% range
£31 – £927
Overall range
£0 – £66,555,000
Distribution
£0
£1,400
£3,000
£4,600
£6,000
