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Spinthariscope (fwd)

....Can anyone help Bob Macdonell with this query??

Dan M

Dan MacIsaac, Assistant Professor of Physics and Astronomy, Northern AZ Univ
danmac@nau.edu http://www.phy.nau.edu/~danmac/homepage.html

From RM16@swt.edu Fri Mar 13 13:41 MST 1998
Date: Fri, 13 Mar 1998 14:42:52 -0600
From: Bob Macdonell <RM16@swt.edu>
Subject: Spinthariscope
To: Dan.MacIsaac@NAU.EDU
Reply-to: RM16@swt.edu

Dan,

Have been looking for a source for a spinthariscope, but in vain.

The last known manufacturer/supplier was Sargent-Welch 1973-74.

As you probably know, this device resembles a microscope eye-piece
having a zinc-sulfide screen at one end and a magnifying lens at the
other. A small amount of radioactive substance is positioned just above
the screen. The device is used to observe the scintillations produced by
the radioactive particles striking the screen.

I am very much interested in observing these scintillations.

Any information you can provide would be much appreciated.

Thank You.