RADIOACTIVITY / ATOMIC PHYSICS
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153
Smoke chamber for brownian motion
The chamber is designed for use with a microscope for
showing brownian motion in smoke particles viewed
through a microscope. An experiment lamp (or similar
device) can be used as a light source. The apparatus is
supplied with a convex lens which condenses the light
inside the chamber. Smoke is drawn into the chamber
with the aid of a squeegee. Size: 100 x 24 x 25 mm.
5150.00 Smoke chamber for brownian motion
Smoke chamber for brownian motion
with laser
5150.00
As item 5150.00 but for use with laser light. The appara-
tus is provided with two plane parallel windows which let
the laser light pass through the chamber.
Size: 100 x 24 x 25 mm.
5150.10 Smoke chamber for brownian motion
5150.10
with laser
“Proton” and “Neutron” demonstration
5161.00
This set is designed to demonstrate the stabilizing effect
of neutrons on the atomic nucleus.
The “protons” are made of disc magnets while the “neu-
trons” are made of browned iron discs. The “protons”
5161.10
will, because they magnetized, repel one another when
placed on a flat surface or overhead projector. The sta-
bilizing effect of the “neutrons” is illustrated by placing
them between the “protons”, thereby eliminating the
repulsive force. The “protons” are supplied with a red
marking, the “neutrons” with blue.
5161.00 “Proton” each
5161.10 “Neutron” each
Chain reaction apparatus
This item is used to demonstrate the chain reaction
using matches. It is supplied with 6 ea. metal pins to
5160.00
show how a chain reaction can be damped.
5160.00 Chain reaction apparatus
5160.01 Extra metal pins for chain reaction
apparatus, package of 6 ea.
®
Science Equipment for Education Physics
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