Reference numberPP/16/16/6
Previous numbersPP/48/16
TitleDiagram, 'Plan of arrangements for observing the spectra of the heavenly bodies by the aid of a siderostat' by J [Joseph] Norman Lockyer
DescriptionA schematic diagram showing the setup of Lockyer's equipment, which includes a siderostat [heliostat], a ten-inch object glass and support, a four-prism Steinheil spectroscope, collimator, spark stand, induction coil, reflecting eyepiece and lamp. Includes a note to the engraver.

Subject: Spectroscopy / Astronomy

A print of this diagram was published in volume 48 of the Proceedings of the Royal Society alongside the paper 'On the chief line in the spectrum of the nebulæ'.
Physical descriptionInk and graphite pencil on paper
Digital imagesView item on Science in the Making
Access statusOpen
Related materialDOI: 10.1098/rspl.1890.0024
Fellows associated with this archive
NA6349Lockyer; Sir; Joseph Norman (1836 - 1920)1836 - 1920
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