DEMONSTRATION SOUNDING TUBES
Stock Number: 9282
$975.
For sale, antique demonstration sounding tubes each with a piston for producing sound depending on the length of the standing column.
Dimensions
13-1/4 inch x 4 inch (34x10 cm) base
Circa
c. late 19th century
Country of manufacture
UK and Ireland
Description
DEMONSTRATION SOUNDING TUBES, probably English, late 19th century. These four lacquered brass tubes are mounted on a mahogany base 13-1/4″ x 4″ (34 x 10 cm), the tallest standing 11-1/8″ above the base. Each has a wood plunger piston which, when withdrawn rapidly, produces a sound whose frequency depends on the length of the standing column. Complete and all original, in fine condition.
Ask the Dealer
Dealer information
TESSERACT
David and Yola Coffeen both have enjoyed academic careers, as planetary astronomer and as linguist/educator. But since 1982 (yes, 1982!) they have been full-time dealers in early scientific and medical instruments, under the name Tesseract. Selling primarily by catalogue (over 100 issued so far) they also have a web presence at www.etesseract.com, and can be contacted at [email protected].
