A text-book of physics, largely experimental. On the Harvard college "Descriptive list of elementary physical experiments." (1891)
Hall, Edwin Herbert, 1855-1938, Bergen, Joseph Y. (Joseph Young), 1851-1917 · New York, H. Holt and Company · leaf 199
of the glass;stick the other pin at 2 close to the other polished edge. Look with one eye from the position S through the whole width ofthe glass at pin No. 1. Move the eye toward 3, looking all the timethrough the glass at the pin. It will presently be noticed that thepin seen through the glass is…
Physics
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
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