Modern photography in theory and practice : a hand book for the amateur (1899)
Abbott, Henry G., 1858-1905 · Chicago : Geo. K. Hazlitt · leaf 21
II IN THEORY AND PRACTICE. both time and instantaneous work and the speed can be governed by means of a small lever at the front. The large central opening in the end is the lens and the two smaller ones at the top and side are the finders. The finder consists of a small lens and just back of it is… … Fig 2. ground glass and as the finder is made to coincide with the lens, the view we see in the finer is the one we will have on our plate. The finder gives the same view that the focusing screen at the rear does, except that the view is reduced in size and is not upside down as it is on the…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial372dodg-358-423.webp)
