1. 8560.i.22, 1(5) Reference (shelfmark): 8560.i.22, 1(5) Title: The single prism spectroscope, with heliostat and Janssen apparatus [Camorta, Nicobar Islands]. Photographer: Waterhouse, James Scope & Content: Genre: Scientific Photography General view of equipment set up at the observing station. Collection Area: Printed Collections Languages: Not applicable Date Range: Apr 1875 Extent: 1 item