Say When liquid-level indicator prototype

Indicator, Liquid-Level

Accession Number: 2002.141.4a-b

Description: Consists of an audible signal device and a detachable cable with two sensor prongs to hang over the rim of a liquid container; tone is emitted when liquid is detected. Signal device is housed in a rectangular-shaped black plastic box that also holds a 9-volt battery; a removable metal plate, attached with 4 screws, covers the front of the box; sound tone emits through the front of the plate where the audible sensor device protrudes; cable jack inserts into top of the box. .4a - audible signal device .4b - cable

Height: 3.25

Width: 2.125

Depth: 1.5

Date Made: ca. 1980

Maker: Cranmer, Terrence V., 1925-2001

Credit Line: Gift of Susan Strange, 2002.14

Subjects: Assistive technology Light detectors. Prototypes.

Dimension Notes: 8 1/2 in. length of cable with sensors

Material: Metal, plastic exterior

Updated: 02/06/2017