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.
For thousands of years, a dovetail joint was created by a skilled cabinetmaker using small, precision saws and wood chisels.
Tiny angled saw cuts were followed by careful cutting by a sharpened chisel on both sides to avoid splintering.
With just a little study of these examples, it is easy to spot true hand made construction vs. The name dovetail comes from the appearance of the joint, resembling the triangle shape of a bird's tail.
The earliest examples are from furniture placed with mummies in Egypt thousands of years ago, and also in the burials of ancient Chinese emperors.
There are distinct periods for antique and estate jewelry.
centuries include the Georgian period (1715-1830) and the Victorian period (1830-1901), both named after ruling British monarchy.
This course may be of interest to those working in auction houses, the antique trade, pawnbrokers and the antique enthusiast alike.
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Dovetail joints often hold two boards together in a box or drawer, almost like interlocking the fingertips of your hands.
So, the first step in narrowing the possible date for your old photograph is to be able to identify 19th century photographs to determine what type you have.
The information provided here can turn you into a proficient photo detective.