Benchmark Butterfly Bookmounts


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The Benchmark Butterfly Bookmounts are designed to provide unequaled flexibility in the display of rare books and valuable manuscripts. Unlike with other book cradles, the Benchmark Bookmount uses plexiglas support plates fitted to hinged brass legs which are adjustable for angle and height. These hinges give the "butterfly" action to the plex support plates - and give you complete choice of how open your book will be. Additional accessories provide even more display variation and flexibility.

Custom bookmounts can be constructed for books with measurements that fall outside our bookmount range. To inquire about custom bookmounts, please fill out our custom bookmount form.

Oh, and don’t forget our Poly Strap. The soft polyethylene gently keeps the pages open to your desired display and also helps support the text block. It’s the kinder, gentler alternative to mylar strapping!

Enjoy this comedic segment of BBC's "Cunk on Shakespeare" involving how to handle special books.  
screengrab from BBC's "Cunk on Shakespeare" showing the host, Philomena Cunk and Paul Taylor, Head of Collections, looking at a book.

Horizontal Butterfly Bookmount


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The Horizontal Bookmount presents your book parallel to the display surface. The plexiglas book support plates are mounted on sturdy brass posts attached to a flat plexiglas base. Each support plate butterflys on a pair of hinges, allowing you to select and lock in the angle your book opens to. The hinge legs are adjustable in height by as much as 1" to accommodate different openings. In addition, the support plates slide in or out to accommodate various spine thicknesses.

Watch our Horizontal Bookmount demonstration on our Youtube channel!

The Horizontal Bookmount comes in four sizes defined by the size of the plexiglas book support plates: 
Mini, Standard, Intermediate & Folio

Click here for Instructions for Horizontal Bookmounts

For custom-sized bookmounts, please fill out our custom bookmount form.

Horizontal Butterfly Bookmount

The Horizontal Bookmount presents your book parallel to the display surface. The plexiglas book support plates are mounted on sturdy brass posts attached to a flat plexiglas base. Each support plate butterflys on a pair of hinges, allowing you to select and lock in the angle your book opens to. The hinge legs are adjustable in height by as much as 1" to accommodate different openings. In addition, the support plates slide in or out to accommodate various spine thicknesses.

Watch our Horizontal Bookmount demonstration on our Youtube channel!

The Horizontal Bookmount comes in four sizes defined by the size of the plexiglas book support plates: 
Mini, Standard, Intermediate & Folio

Click here for Instructions for Horizontal Bookmounts

For custom-sized bookmounts, please fill out our custom bookmount form.

Quarter-Turn Display


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Sometimes you need to display a book from the fore-edge - usually because of a large graphic that crosses the gutter. If you already use a Standard, Intermediate, or Folio Horizontal Bookmount, you can easily convert it to accommodate this display requirement. Simply remove the regular plates from the brass hinges and slip on these quarter-turn plates, then rotate the Bookmount 90°.  A versatile and efficient solution.

For custom-sized bookmounts, please fill out our custom bookmount form.

Quarter-Turn Display

Sometimes you need to display a book from the fore-edge - usually because of a large graphic that crosses the gutter. If you already use a Standard, Intermediate, or Folio Horizontal Bookmount, you can easily convert it to accommodate this display requirement. Simply remove the regular plates from the brass hinges and slip on these quarter-turn plates, then rotate the Bookmount 90°.  A versatile and efficient solution.

For custom-sized bookmounts, please fill out our custom bookmount form.

Brass Hinges with longer legs


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Here's a "left-hand" pair of hinges with 2" legs to use when you are displaying a very thick book. These longer legs will give more telescoping power for those books with spines thicker than 1 inch. 

Remove the regular hinge legs from the brass post and insert these longer legs. Be sure both long ones are on the same side of the book.

Brass Hinges with longer legs

Here's a "left-hand" pair of hinges with 2" legs to use when you are displaying a very thick book. These longer legs will give more telescoping power for those books with spines thicker than 1 inch. 

Remove the regular hinge legs from the brass post and insert these longer legs. Be sure both long ones are on the same side of the book.

Upright Butterfly Bookmount


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The Upright Bookmount displays books tilted up 40° from flat decks or shelves. The base is made of solid brass, fitted with two hinged brass legs. Each hinge holds an independently adjustable plexiglas book support plate. The support plates "butterfly" on the hinges, allowing you to choose the angle your book opens to. The hinge legs also adjust in height by as much as 1" giving you another approach to supporting your book. In addition, the plates move laterally to accommodate different spine thicknesses.

The Upright Bookmount comes in three sizes, defined by the dimensions of the plexiglas book support plates:

Mini, Standard & Intermediate
Watch our Upright Butterfly Bookmount Demonstration on our Youtube channel.


Click here for Instructions for Upright Bookmounts

For custom-sized bookmounts, please fill out our custom bookmount form.

Upright Butterfly Bookmount

The Upright Bookmount displays books tilted up 40° from flat decks or shelves. The base is made of solid brass, fitted with two hinged brass legs. Each hinge holds an independently adjustable plexiglas book support plate. The support plates "butterfly" on the hinges, allowing you to choose the angle your book opens to. The hinge legs also adjust in height by as much as 1" giving you another approach to supporting your book. In addition, the plates move laterally to accommodate different spine thicknesses.

The Upright Bookmount comes in three sizes, defined by the dimensions of the plexiglas book support plates:

Mini, Standard & Intermediate
Watch our Upright Butterfly Bookmount Demonstration on our Youtube channel.


Click here for Instructions for Upright Bookmounts

For custom-sized bookmounts, please fill out our custom bookmount form.

Cover-Only Display


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If you want to display single sheets or closed books, this accessory is for you.
Remove the regular plex support plates and the brass hinge legs of your Upright Bookmount. R
eplace them with this Cover-Only Plate and its special brass fitting.

For custom-sized bookmounts, please fill out our custom bookmount form.

Cover-Only Display

If you want to display single sheets or closed books, this accessory is for you.
Remove the regular plex support plates and the brass hinge legs of your Upright Bookmount. R
eplace them with this Cover-Only Plate and its special brass fitting.

For custom-sized bookmounts, please fill out our custom bookmount form.

U-Clip Kit


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The U-Clip Kit is a simple plexiglas & brass mounting device that allows for easy installation of single documents, photographs, thin closed volumes or magazines. In this kit, the plexiglas U-Clip is glued to a single plexiglas plate with lip. Your choice of three different size plates: Mini (4" x 6"), Standard (4-1/2" x 8"), Intermediate (7" x 11").  The brass stem gets bent to your desired angle for wall or deck installation. Your artifact gets strapped to the plexiglas plate using our Poly Strap and that entire  assembly then easily slips onto the installed brass stem. 

Watch our U-Clip & Brass Stem Demonstration on our Youtube channel. 

The U-Clip Kit is a simple plexiglas & brass mounting device that allows for easy installation of single documents, photographs, thin closed volumes or magazines. In this kit, the plexiglas U-Clip is glued to a single plexiglas plate with lip. Your choice of three different size plates: Mini (4" x 6"), Standard (4-1/2" x 8"), Intermediate (7" x 11").  The brass stem gets bent to your desired angle for wall or deck installation. Your artifact gets strapped to the plexiglas plate using our Poly Strap and that entire  assembly then easily slips onto the installed brass stem. 

Watch our U-Clip & Brass Stem Demonstration on our Youtube channel. 

U-Clip & Brass Stem


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For those that would like to use our U-Clip and brass stem, but have their own plex plate and the ability to glue the U-Clip on to that plate, here are the independent parts! Glue the U-Clip to a single plexiglas plate with lip. Bend the brass stem to your desired angle for wall or deck installation. Install the stem into the case. Strap your artifact to the plexiglas plate using our Poly Strap. Slip the entire assembly onto the installed brass stem. 

U-Clips and brass stems are sold in sets of four.

For assembly, you’ll need plexiglas solvent-weld glue (available at amazon.com and elsewhere).

For those that would like to use our U-Clip and brass stem, but have their own plex plate and the ability to glue the U-Clip on to that plate, here are the independent parts! Glue the U-Clip to a single plexiglas plate with lip. Bend the brass stem to your desired angle for wall or deck installation. Install the stem into the case. Strap your artifact to the plexiglas plate using our Poly Strap. Slip the entire assembly onto the installed brass stem. 

U-Clips and brass stems are sold in sets of four.

For assembly, you’ll need plexiglas solvent-weld glue (available at amazon.com and elsewhere).

Polyethylene Strap


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When the book stays open but the pages need restraint, reach for our clear, non-adhesive 4 mil poly strap. It's softer than the conventionally used mylar and does a kinder job. It's also useful for preventing text block drag and for barcoding projects for book storage.

Sold in 100' long rolls in five widths.

Custom widths are also possible. Minimums apply.

Polyethylene Strap

When the book stays open but the pages need restraint, reach for our clear, non-adhesive 4 mil poly strap. It's softer than the conventionally used mylar and does a kinder job. It's also useful for preventing text block drag and for barcoding projects for book storage.

Sold in 100' long rolls in five widths.

Custom widths are also possible. Minimums apply.

Snake Weights


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Flexible snake weights are the perfect solution for gently holding open your delicate books and preventing page curling during research and conservation work. (Our resident seamstress suggests using them to hold down paper dress patterns!) These string weights are constructed from flexible metal chain cased in smooth white cotton tubing. Our snakes are 5/32" in diameter - chunkier than the others out there. They're 36" long, sold as a pair, and housed neatly in our snappy little flip-top box. Need a shorter length? Snake weights are easily trimmed with a pair of scissors.

Snake Weights

Flexible snake weights are the perfect solution for gently holding open your delicate books and preventing page curling during research and conservation work. (Our resident seamstress suggests using them to hold down paper dress patterns!) These string weights are constructed from flexible metal chain cased in smooth white cotton tubing. Our snakes are 5/32" in diameter - chunkier than the others out there. They're 36" long, sold as a pair, and housed neatly in our snappy little flip-top box. Need a shorter length? Snake weights are easily trimmed with a pair of scissors.

Quantity must be between 5 and 14

Quantity must be between 15 and 29

Quantity must be 30 or over

Minimum Quantity Must be 5

There must be at least one Oversized Shipping Charge in our cart with Case Dressing Fabrics.