(Eiserne Eicheln. E, E1, E2, M1, M2.)
Description: This illustration shows a variety of clamps, some of
which (E) are simply designed to hold objects on stands, but
others (M) are made of brass and nickel-plated, and which appear
to be provided for holding wires in place. (Expanded caption
Copyright 1998, Edward J. Haupt)
(Source: None given.)
Source of illustration: Zimmermann, E. (1903). XVIII. Preis-
Liste über psychologische und physiologische Apparate
(p. 126). Leipzig: Eduard Zimmermann.
DESCRIPTORS:
Type: Component
Stimulus:
System:
Output: