Description

This instrument is housed in a rectangular metal case with a removable lid that attaches to the case with a hinge on one side. The interior of the case has a metal spool.

This instrument used photographic paper to make recordings or electrical signals, and was used by Harold Edgerton.

Type

Inscription

Location

Side of box

Method

painted

Text

MOSL

Type

MIT label

Location

side of box

Method

painted

Text

Mass Inst of Tech / No. [blank] / Elect. Eng. Dept.