Instrument for observing zodiacal light mb-width 4985 View of the new building

View of the new building at the Bank of England from Mansion House with a street scene

the Casuarius emu

The Portal of Rouen Cathedral in Morning Light

John Balliol

Instrument for observing zodiacal light mb-width 4985 View of the new buildingView of an equatorial instrument for observing zodiacal light. Illustration from the unpublished paper 'Attempt to apply instrumental measurement to the zodiacal light', by Charles Piazzi Smyth. The paper was written or completed on 25 March 1848 and received by the Royal Society on 13 April. It contained an appendix, from which this illustration is drawn: 'Appendix describing a simple equatorial instrument, adapted to and sufficient for its