These photographic slides contain photos of the Mexico Eclipse camp in 1970, the solar corona in 1980, and the Spectrograph well.

These photographic slides contain photos of Solar eclipse, Solar corona and J.C Bhattacharya.

These photographic slides contain astronomical events, some observations like the Evershed effect, the Spectrum by Evershed, Partial phase of moon eclipse, etc.

These photographic slides contain some places where the solar eclipse was seen, the eclipse tower, the spectrograph, and a few photographs of J.C. Bhattacharya.