Dating tin cans rosamund pike dating 2016
Did it never occur to them that you can turn the can upside down and open it with a tin opener!
Dating photographs is one of the things the family history researcher is able to use, but often have a problem when it involves the age of the photograph.
The paper backing on the photograph can tell the age of some pictures; this includes pictures that have tin that the photograph was placed on.
There are pictures that used daguerreotype, glass plate, cabinet card, and the thickness of the cabinet card can also tell the age of the picture.
Another clue might be the background, and on many the photographers name will be on the bottom of the cabinet card or on the back of the picture.THE REASON is that "ring-pulls" or Easy-Open (EO) ends are slightly more expensive, so they tend to be mainly used for the more expensive premium quality products.However, market research has shown that many consumers would be prepared to pay a little more for food in an easy-open can because of the added convenience.Daguerreotype photographs were 8 ½ inches by 6 inches, and the first of these were used in 1839.The process for these pictures was done by using a plate, made of copper and using silver iodide to expose the picture, along with exposure to light.