mayo 24, 2024

Encuadernación dos-à-dos

La encuadernación dos-à-dos, también conocida como encuadernación espalda con espalda, es una técnica única y fascinante en el mundo de la bibliofilia. Esta forma de encuadernación permite unir dos libros en un solo volumen de tal manera que cada uno tiene su propio lomo y puede ser leído independientemente del otro. 

Origen e historia

La encuadernación dos-à-dos tiene sus raíces en la Europa del siglo XVI y XVII, un periodo de gran innovación en la fabricación de libros. Esta técnica fue especialmente popular en los países de habla francesa y en las regiones protestantes del norte de Europa. Originalmente, se utilizó para emparejar libros de pequeño formato, como biblias, salterios y libros de oraciones, que eran llevados comúnmente por los fieles para su devoción diaria.

Siamese twins
The bookbindings above are as odd as they are rare. In fact, I encountered my first only a few days ago while browsing Folger Library’s image database of bookbindings. The binding is called “dos-à-dos” (back to back), a type almost exclusively produced in the 16th and 17th centuries. They are like Siamese twins in that they present two different entities joint at their backs: each part has one board for itself, while a third is shared between the two. Their contents show why this was done: you will often find two complementary devotional works in them, such as a prayerbook and a Psalter, or the Bible’s Old and New Testament. Reading the one text you can flip the “book” to consult the other. The last image above is a unification of no less than seven devotional works printed by the same printer (Feichtinger, Lintz, 1736-1737), showing that the constructions could also encompass much more than just two texts. In the 20th century this type of binding enjoyed a revival with the Double Ace books, which featured two short science fiction stories.
Pics: St Andrew’s University Library, Bib BS2085.C27 (top); Washington, Folger Shakespeare Library, STC 23811.2 (two pics), STC 2907 (broidery); Chetham’s Library, shelfmark unknown (editions from 1629, 1633); Ed. J. M. Feichtinger, Lintz, 1736-1737 (from this sales catalogue). Other examples from the Folger here. A nice one auctioned off at Christie’s here.
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Siamese twins
The bookbindings above are as odd as they are rare. In fact, I encountered my first only a few days ago while browsing Folger Library’s image database of bookbindings. The binding is called “dos-à-dos” (back to back), a type almost exclusively produced in the 16th and 17th centuries. They are like Siamese twins in that they present two different entities joint at their backs: each part has one board for itself, while a third is shared between the two. Their contents show why this was done: you will often find two complementary devotional works in them, such as a prayerbook and a Psalter, or the Bible’s Old and New Testament. Reading the one text you can flip the “book” to consult the other. The last image above is a unification of no less than seven devotional works printed by the same printer (Feichtinger, Lintz, 1736-1737), showing that the constructions could also encompass much more than just two texts. In the 20th century this type of binding enjoyed a revival with the Double Ace books, which featured two short science fiction stories.
Pics: St Andrew’s University Library, Bib BS2085.C27 (top); Washington, Folger Shakespeare Library, STC 23811.2 (two pics), STC 2907 (broidery); Chetham’s Library, shelfmark unknown (editions from 1629, 1633); Ed. J. M. Feichtinger, Lintz, 1736-1737 (from this sales catalogue). Other examples from the Folger here. A nice one auctioned off at Christie’s here.
Siamese twins
The bookbindings above are as odd as they are rare. In fact, I encountered my first only a few days ago while browsing Folger Library’s image database of bookbindings. The binding is called “dos-à-dos” (back to back), a type almost exclusively produced in the 16th and 17th centuries. They are like Siamese twins in that they present two different entities joint at their backs: each part has one board for itself, while a third is shared between the two. Their contents show why this was done: you will often find two complementary devotional works in them, such as a prayerbook and a Psalter, or the Bible’s Old and New Testament. Reading the one text you can flip the “book” to consult the other. The last image above is a unification of no less than seven devotional works printed by the same printer (Feichtinger, Lintz, 1736-1737), showing that the constructions could also encompass much more than just two texts. In the 20th century this type of binding enjoyed a revival with the Double Ace books, which featured two short science fiction stories.
Pics: St Andrew’s University Library, Bib BS2085.C27 (top); Washington, Folger Shakespeare Library, STC 23811.2 (two pics), STC 2907 (broidery); Chetham’s Library, shelfmark unknown (editions from 1629, 1633); Ed. J. M. Feichtinger, Lintz, 1736-1737 (from this sales catalogue). Other examples from the Folger here. A nice one auctioned off at Christie’s here.
Siamese twins
The bookbindings above are as odd as they are rare. In fact, I encountered my first only a few days ago while browsing Folger Library’s image database of bookbindings. The binding is called “dos-à-dos” (back to back), a type almost exclusively produced in the 16th and 17th centuries. They are like Siamese twins in that they present two different entities joint at their backs: each part has one board for itself, while a third is shared between the two. Their contents show why this was done: you will often find two complementary devotional works in them, such as a prayerbook and a Psalter, or the Bible’s Old and New Testament. Reading the one text you can flip the “book” to consult the other. The last image above is a unification of no less than seven devotional works printed by the same printer (Feichtinger, Lintz, 1736-1737), showing that the constructions could also encompass much more than just two texts. In the 20th century this type of binding enjoyed a revival with the Double Ace books, which featured two short science fiction stories.
Pics: St Andrew’s University Library, Bib BS2085.C27 (top); Washington, Folger Shakespeare Library, STC 23811.2 (two pics), STC 2907 (broidery); Chetham’s Library, shelfmark unknown (editions from 1629, 1633); Ed. J. M. Feichtinger, Lintz, 1736-1737 (from this sales catalogue). Other examples from the Folger here. A nice one auctioned off at Christie’s here.
Siamese twins
The bookbindings above are as odd as they are rare. In fact, I encountered my first only a few days ago while browsing Folger Library’s image database of bookbindings. The binding is called “dos-à-dos” (back to back), a type almost exclusively produced in the 16th and 17th centuries. They are like Siamese twins in that they present two different entities joint at their backs: each part has one board for itself, while a third is shared between the two. Their contents show why this was done: you will often find two complementary devotional works in them, such as a prayerbook and a Psalter, or the Bible’s Old and New Testament. Reading the one text you can flip the “book” to consult the other. The last image above is a unification of no less than seven devotional works printed by the same printer (Feichtinger, Lintz, 1736-1737), showing that the constructions could also encompass much more than just two texts. In the 20th century this type of binding enjoyed a revival with the Double Ace books, which featured two short science fiction stories.
Pics: St Andrew’s University Library, Bib BS2085.C27 (top); Washington, Folger Shakespeare Library, STC 23811.2 (two pics), STC 2907 (broidery); Chetham’s Library, shelfmark unknown (editions from 1629, 1633); Ed. J. M. Feichtinger, Lintz, 1736-1737 (from this sales catalogue). Other examples from the Folger here. A nice one auctioned off at Christie’s here.

Técnica de encuadernación


La técnica de encuadernación dos-à-dos es compleja y requiere una gran habilidad por parte del encuadernador. Aquí hay un resumen de los pasos básicos involucrados:

Preparación de los cuadernos: Los dos libros a ser encuadernados se preparan como se haría en una encuadernación tradicional, con los cuadernos (grupos de páginas) debidamente doblados y cosidos.

Creación de los lomillos: Se crean dos lomos rígidos, uno para cada libro, que se colocarán espalda con espalda. A menudo, se utiliza un solo trozo de cuero o tela para cubrir ambos lomos, creando una conexión entre los dos libros.

Montaje del bloque del libro: Los bloques de los libros se adhieren a sus respectivos lomos. La parte donde los dos lomos se encuentran se refuerza para asegurar la durabilidad y la flexibilidad.

Cubierta y decoración: Se añaden las cubiertas y se decoran. En muchos casos, las cubiertas son ricamente ornamentadas, reflejando el valor y la importancia del contenido.

Ejemplos notables

La encuadernación dos-à-dos no es solo una curiosidad técnica, sino también una obra de arte y un testimonio de la habilidad del encuadernador. Estos libros a menudo eran personalizados y decorados con materiales de alta calidad, incluyendo cuero fino, dorados y grabados detallados.

Uno de los aspectos más intrigantes de esta técnica es la funcionalidad y la practicidad que ofrece. Al unir dos libros en un solo volumen, se facilita el transporte y el uso, especialmente en contextos religiosos y devocionales donde el acceso a múltiples textos era esencial.


Entre los ejemplos más notables de encuadernaciones dos-à-dos se encuentran los pequeños libros de oraciones combinados con salterios o himnarios. En algunos casos, se encuentran combinaciones más inusuales, como un diccionario emparejado con un libro de gramática, lo que sugiere que estos volúmenes eran utilizados para la educación y la referencia diaria.

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