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LS- Letter Signed; letter in
the hand of someone other than the signer
ALS- Autograph Letter Signed;
letter in the hand of the signer
TLS- Typed Letter Signed; letter
is typed, and then signed
DS- Document Signed; document
in the hand of someone other than the signer
ADS- Autograph Document Signed;
document in the hand of the signer
ANS- Autograph Note Signed; note
in the hand of the signer
Folio- size approximately 11"x14"
Quarto- size approximately 8"x10"
(also shown as 4to)
Octavo-size approximately 5"x7"
(also shown as 8to)Daguerreotype- Image produced on a
silver-coated copper plate.
Introduced in 1839; Peak years of use 1852-1854.
Full Plate - 6 1/2" x 8
1/2"
Half Plate - 4 1/2" x 5
1/2"
1/4 Plate - 3 1/8" x 4 1/8"
1/6 Plate - 2 5/8" x 3 1/4"
1/9 Plate - 2"x 2 1/2"
1/16 Plate - 1 3/8" x 1 5/8"
CDV- Carte-de-Viste; an albumen
print measuring 2 1/2" x 3 1/2" mounted on a card measuring
2 1/2" x 4". Introduced in 1854; Peak years of use 1859-1866
Ambrotype- Negative image produced on a glass plate, viewed
as positive by the addition of a black backing. Introduced 1854;
Peak years of use 1857-1859.
Tintype- Negative image produced
on a thin iron plate, viewed as a positive due to the undercoating
of black varnish. Introduced in 1856; Peak years of use 1860-1863.
Albumen- A positive print produced
from a glass negative on paper coated with egg whites. Introduced
1850; Peak years of use 1860-1890
Cabinet Card- A photographic print measuring 4" x
5 1/2" attached to a cardboard mount 4 1/4" x 6 1/2".
Introduced in 1863; Peak years of use 1870-1890
Stereoview- A pair of photographs usually taken with a
binocular camera, mounted for three dimensional viewing with a
stereoviewer. Introduced in 1851; Peak years of use 1858-1905
Salt Print - A print made on calotype paper from a glass
negative.
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