Tintype

The box always looks roughly the same. Not long after I took up genealogy in , I began inheriting boxes and bags like those, and they all had lots of photographs — old ones. The photographs from the latter half of the 20th century are easiest to identify. Most times, I know the subject; if not, the bell-bottoms or dark wall paneling scream As you move back in time, what gets harder to identify are the black-and-white photographs. Some have dates printed along their white borders; others have dates stamped on the back. Great-grandparents, cousins, aunts, and uncles can also be identified, if not on sight, then by context. Then, you get to the most interesting photographs — the tintypes, the cabinet cards, and the carte-de-visite CDV photographs.

How to Date Old Photos

Contact Dating Tintypes – The earliest tintypes were on heavy metal. They are stamped “Neff’s Melainotype Pat 19 Feb 56” along one edge. Sizes range from one-sixth plate to full plate see appendix El. Many are found in gilt frames or in the leather or plastic thermomolded cases of the earlier ambro-types.

In our next post about dating your old family photographs, Colin Harding shows you how to identify a ferrotype, more commonly known as a tintype. The photographic formats we’ve examined so far in this series showing you how to date your old family photographs are daguerreotypes and collodion positives.

Select items from the Eric C. Featuring newspapers, periodicals, broadsides, photographs, ephemera and other items dating from the 16th century to the present, the archive comprises an unsurpassed physical record of the history of the United States and beyond. The image is housed in an exceptional folk art frame with carved features that include a representation of the Emancipation Proclamation and a broken chain that symbolizes slavery. Newspapers are a major part of the Caren Archive.

Printed in that issue was news of the surrender of pirates in the Caribbean and text of a speech by King George I. The Boston News-Letter was first printed in , a time when no other city in North America had a regular newspaper. The publication was staunchly loyalist, with much of the news coming from London. The British government subsidized the paper, and each issue had to be approved by the Royal Governor of Massachusetts. Also from the early days of the nation comes a powder horn depicting the end of the Siege of Boston in March , having arguably the earliest known representation of the stars and stripes together on an American flag.

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COGenWeb: Dating Tintypes

Description[ edit ] Collodion process, mostly synonymous with the “collodion wet plate process”, requires the photographic material to be coated, sensitized, exposed and developed within the span of about fifteen minutes, necessitating a portable darkroom for use in the field. Collodion is normally used in its wet form, but can also be used in humid “preserved” or dry form, at the cost of greatly increased exposure time.

The latter made the dry form unsuitable for the usual portraiture work of most professional photographers of the 19th century. The use of the dry form was therefore mostly confined to landscape photography and other special applications where minutes-long exposure times were tolerable. The collodion process is said to have been invented in , almost simultaneously, by Frederick Scott Archer and Gustave Le Gray.

The tintype is very easy to identify if it is loose or in a simple sleeve. It is a thin iron sheet. However, it is frequently confused with an ambrotype if it is in a case.

We all have old family photos. These may be loose or in albums or they may be in the form of postcards or even fragile black and grey glass negatives. So what about dating? Photography started in but at that time was really in the hands of a few scientists, professionals or wealthy amateurs. Not many family photographs exist from that era unless they are beautiful images on a polished silver plate that looks like a mirror.

These are daguerreotypes as invented by Daguerre in France.

Tintype

Deduping is a batch process that prevents confusion in the minds of users, conserves computer storage , and allows reliable usage statistics to be collected. Synonymous with duplicate removal and duplicate resolution. As a legal instrument, deed is distinguished from title, which is a legal right.

Free photography articles in magazine style and how-to on alternative photographic processes and techniques. Step-by-steps, hands on darkroom techniques, profiles on people, and learning alternative photographic printing techniques.

Identifying Who is in the Photo Sometimes, this can be done with great precision. Other times, it is guesswork. However, with the right knowledge, you can turn guesswork into pretty accurate guessing, where you can be reasonably sure of who you are looking at in the photo. If you can identify the location where a photo was taken or the approximate location , you can often identify or make a reasonable guess as to the family or person in the photo.

If you know your family or a particular ancestor lived in a certain place at a certain time and was a certain age when they lived there, knowing the location of the photo can give you a reasonable assumption as to who is in the photo. Just compare the ages and time period of the people in the photo to your knowledge of your family.

History of photography

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Unearth your Jewish heritage. Knowing the type of photo can still leave a large time period, but if you know the subject of the photo, your genealogical research should be able to help you narrow that. When was the subject born? Did he live in a city or a small town? What work did he do? Both the men in my photo are young, but one appears to be older than the other, and he has arm slung around his younger brother’s shoulders.

Both are holding cigars. The elder is wearing a watch chain and a pinky ring.

Brighton Swimming Club

Technical details[ edit ] There are two historic tintype processes: In the wet process, a collodion emulsion containing suspended silver halide crystals had to be formed on the plate just before it was exposed in the camera while still wet. Chemical treatment then reduced the crystals to microscopic particles of metallic silver in proportion to the intensity and duration of their exposure to light, resulting in a visible image. The later and more convenient dry process was similar but used a gelatin emulsion which could be applied to the plate long before use and exposed in the camera dry.

City Life, Dating Photographs, Fashion History, Genealogy, history, lowell, Massachusetts, minutiae 10 Comments Carte de visite Dating Photographs family historians Photography Tintype Victorian fashion.

Technical details[ edit ] There are two historic tintype processes: In the wet process, a collodion emulsion containing suspended silver halide crystals had to be formed on the plate just before it was exposed in the camera while still wet. Chemical treatment then reduced the crystals to microscopic particles of metallic silver in proportion to the intensity and duration of their exposure to light, resulting in a visible image.

The later and more convenient dry process was similar but used a gelatin emulsion which could be applied to the plate long before use and exposed in the camera dry. In both processes, a very underexposed negative image was produced in the emulsion. Its densest areas, corresponding to the lightest parts of the subject, appeared gray by reflected light. The areas with the least amount of silver, corresponding to the darkest areas of the subject, were essentially transparent and appeared black when seen against the dark background provided by the lacquer.

The image as a whole therefore appeared to be a dull-toned positive. To obtain as light-toned an image as possible, potassium cyanide , a very dangerous and powerful deadly poison, was normally employed as the photographic fixer.

Tintype

Lee died five years after the Civil War ended, the cause of his death had doctors stumped. He had been in poor health, but his specific illness was a mystery; there weren’t many clues beyond symptoms Lee had described in letters. This was before electrocardiograms and x-rays existed. There were no obvious physical findings to support a formal diagnosis, either.

Without a robust medical history to guide them, the doctors diagnosed stroke, rheumatism, and pneumonia in the months leading up to Lee’s death.

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Date Your Old Photos: Tips from the Photo Detective