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This site uses image and manuscript ‘viewers’. They let you view, zoom and compare digital images, and are especially useful for examining archive materials like books, manuscripts and maps that can’t be handled easily.

The site currently includes Mirador, The Mirador Viewer enables you to do this and also to view multiple images side-by-side

You can also choose to use Universal Viewer as an alternative option.

The viewers are based on the IIIF standard. These are produced in collaboration by universities and collecting institutions around the world. IIIF stands for International Image Interoperability Framework and is open source software that allows researchers of all kinds to access cultural collections online.

How to use the viewer

Select an object from the search results and click the “Full viewer” button on the main image on the record.

This will launch the Mirador viewer and the image area will be full screen, you will now see additional controls at the top and bottom of the image.

The viewer page showing a long manuscript scroll

Along the top bar of the viewer screen you will see the following interface.

Viewer top bar

In the top right, click on the “☰” (burger) menu button to bring up a sidebar. This sidebar has an “i” button which will show more information about the object, and a “c” button which shows copyright information for the images of the object.

Viewer sidebar

On the right-hand side of the top bar, there are more buttons.

Viewer top bar buttons

First, the book button will give display options for the object images. Objects such as scrolls are able to be displayed “stitched together” in the viewer into one continuous image you can navigate along, however, you can also see the individual images in a gallery mode separately.

Viewer book button

The next button along, which has three dots as its icon, allows you to show or hide the image tools button on the right hand side.

The purple-coloured “Universal Viewer” button will open a new tab to view the object in Universal Viewer format.

The green-coloured “Close” button will take you back to the object page on the collection.

Descending along the top right-hand side sidebar, the green “i” button will show more information about the object.

Viewer i button

If the image tools have been toggled to show, there will then be a button below this, which brings up the image tools menu. Here, you can rotate and flip the image. You can also change the contrast, brightness and saturation of the image, as well as apply greyscale or invert the image colours. Finally, you can revert the image back to original state.

Viewer image tools menu

Along the bottom of the viewer is the navigator tool.

Viewer navigator

For very long or very tall items you will be able to navigate where you are by using the strip along the bottom. The yellow highlight shows your current view.

On the left-hand side are options to help you navigate along the image as well as to adjust the zoom. The downward-pointing arrow will also allow you to download images as well as provide copyright information.

Viewer navigators buttons

On the right-hand side are more navigator options. The first button will toggle the navigator viewing mode. The “Navigator ☸” button can show or minimise the entire navigator bar.

Navigator button