Dating carte de visite Sex advice free chat
These are all close to 13x18 (or 5" x 7" in imperial) - within 2 or 3 mm in every case.
This is straightforward detective work for most images, but very early photographs can be misleading.
Numerous types of photographs appeared and then went out of favor throughout th 1800s.
Typically plate sizes are 9 x 12, 13 x 18, 18 x 24 cm etc.
I have only half plates, one set of which date from the USA in 1906 and another set from France around 1910-20.
They were collected and mounted in albums in the 19th century.
Albums can still be found, often containing views by Valentine of Dundee and George Washington Wilson of Aberdeen.