Daylight Card

This card image uses the Spectra of Daylight Through Coloured Glass & Vapours adapted from diagrams by William Allen Miller (1845). Miller also studied the spectrum of starlight and was one of the first scientists to determine what stars are made of.

Printed on acid free paper.
Measurements: 17 cm x 12 cm.
Comes with 120gsm recycled envelope.
Blank inside.