Jigsaw Puzzle : Spectroscope, 1872
Jigsaw Puzzles from Heritage Images
Spectroscope, 1872
Spectroscope, 1872. Instrument of the type developed by Robert Bunsen (1811-1899) and Gustav Robert Kirchhoff (1824-1887) during the 1850s. Their work provided a precise tool to make use of Joseph von Fraunhofers (1787-1826) observatians of dark lines in the solar spectrum (1814). The technique of chemical analysis through spectroscopy has become essential in both terrestrial and astronomical studies. From Spectrum Analysis by H Schellen. (London, 1872)
Media ID 14837128
© Ann Ronan Picture Library / Heritage-Images
1850s Bunsen Invention Kirchhoff Laboratory Equipment Optics Physics Robert Bunsen Robert Wilhelm Robert Wilhelm Bunsen Scientific Instrument Spectroscope Spectroscopy
Jigsaw Puzzle (400 Pieces)
400 piece puzzles are custom made in the UK and hand-finished on 100% recycled 1.5 mm millboard. There is a level of repetition in jigsaw shapes with each matching piece away from its pair. The completed puzzle measures 31x47cm and is delivered packaged in an attractive presentation box specially designed to fit most letter box slots
Jigsaw Puzzles are an ideal gift for any occasion
Estimated Product Size is 47.2cm x 31.5cm (18.6" x 12.4")
These are individually made so all sizes are approximate
Artwork printed orientated as per the preview above, with landscape (horizontal) or portrait (vertical) orientation to match the source image.
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