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 478
such machine has something corresponding to the movablemetal plate of the electrophorus. This something is usually a glassplate, sometimes provided with strips or disks of metal, mounted soas to revolve readily upon a horizontal axis. We shall call thisthe carrier. The particular form of machine…
Physics
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.