Robinson's Anemometer, a cup anemometer used to measure wind speed.
In: A Treatise on Meteorology by Elias Loomis. New
York, Harper & Brothers, 1880. Figure 31, page 68. Call Number QC 861 .L66
1880.
Image ID: wea00934, NOAA's National Weather Service (NWS) Collection Photographer: Archival Photograph by Mr. Sean Linehan, NOS, NGS
