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Abstract

The spectroscope used was a small direct- vision compound
prism by Browning, the telescope being a refractor of 3-inch
aperture. After some difficulty in getting the object focussed
upon the slit of the spectroscope there flashed out three
bright bands. They appeared somewhat pyramidal in form,
the base being on the south side of the telescopic image.
The relative spaces between them I judged to be about as
2 to 3. I could uot distinguish any difference, or even any
trace, of colour ; they appeared rather to resemble a phosphorescent
glow. I had not the means, at the time, of
determining their relative positions in the spectrum. On
subsequent evenings, however, I took every precaution for
determining this point.

Item Type:	Article
Authors/Creators:	Biggs, Alfred Barrett
Keywords:	Royal Society of Tasmania, Van Diemens Land, VDL, Hobart Town, natural sciences, proceedings, records
Journal or Publication Title:	Papers & Proceedings of the Royal Society of Tasmania
Collections:	Royal Society Collection > Papers & Proceedings of the Royal Society of Tasmania
Additional Information:	In 1843 the Horticultural and Botanical Society of Van Diemen's Land was founded and became the Royal Society of Van Diemen's Land for Horticulture, Botany, and the Advancement of Science in 1844. In 1855 its name changed to Royal Society of Tasmania for Horticulture, Botany, and the Advancement of Science. In 1911 the name was shortened to Royal Society of Tasmania.
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