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Meteorological station at the summit of El Misti, Harvard College Observatory

Item Ref: EAP1190/1/5/2/52
Printed label: "HARVARD COLLEGE OBSERVATORY". Hand-written: "D 12084 / I". Identification from Plate IX, Harvard Monographs 4 (…
Instrument row (roofs open) and Office Building

Item Ref: EAP1190/1/6/6/29
Viewed from the roof of the 60-inch enclosure. Residence partially visible in background. Weather vane can be seen on the left. 10-inch Metcalf has…
Solar prominence at Sun's limb

Item Ref: EAP1190/1/6/11/85
Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/…
Solar prominence at Sun's limb

Item Ref: EAP1190/1/6/11/84
Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/…
The Sun

Item Ref: EAP1190/1/6/11/18
Part of the solar surface with several sunspots. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/Creator(s): English.…
Solar prominence at Sun's limb

Item Ref: EAP1190/1/6/11/89
Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/…