Cosmic Ray Observations in Eritrea

Snapshots from the site

Drawing and data from Bruno Rossi's notebook



The ascari, native soldiers of the
Army Engineers, building a cabin for cosmic ray measurements on top of a hill near Asmara,
the capital of Eritrea.

 



The cabin, protected from the equatorial sun by a tent,
ready for experiments.

 


Bruno Rossi (middle) with
an ascari soldier (right)
and an Italian officer.

 

A "cosmic ray telescope" consisting of two
coincidence counters mounted on pivots
so measurements could be made
in any direction desired.

 
 

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