Vindolanda in the context of Castra

A wax tablet is a tablet made of wood and covered with a layer of wax, often linked loosely to a cover tablet, as a "double-leaved" diptych. It was used as a reusable and portable writing surface in antiquity and throughout the Middle Ages. Cicero's letters make passing reference to the use of cerae, and some examples of wax-tablets have been preserved in waterlogged deposits in the Roman fort at Vindolanda on Hadrian's Wall. Medieval wax tablet books are on display in several European museums.

Writing on the wax surface was performed with a pointed instrument, a stylus. A straight-edged spatula-like implement (often placed on the opposite end of the stylus tip) would be used as an eraser. The modern expression of "a clean slate" equates to the Latin expression "tabula rasa".

A turret was a small watch tower, incorporated into the curtain wall of Hadrian's Wall. The turrets were normally spaced at intervals of one third of a Roman mile (equivalent to 495 metres (541 yd)) between Milecastles, giving two Turrets between each Milecastle.

Anthony Richard Birley FSA (8 October 1937 – 19 December 2020) was a British ancient historian, archaeologist and academic. He was one of the leaders of excavations at the Roman fortress of Vindolanda and also published several books on Roman Britain and Roman emperors of the second-century AD.

The Vindolanda tablets are some of the oldest surviving handwritten documents in Britain (antedated by the Bloomberg tablets from Roman London). They are a rich source of information about life on the northern frontier of Roman Britain. Written on fragments of thin, postcard-sized wooden leaf-tablets with carbon-based ink, the tablets date to the 1st and 2nd centuries AD (roughly contemporary with Hadrian's Wall). Although similar records on papyrus were known from elsewhere in the Roman Empire, wooden tablets with ink text had not been recovered until 1973, when archaeologist Robin Birley, his attention being drawn by student excavator Keith Liddell, discovered some at the site of Vindolanda, a Roman fort in northern England.

The documents record official military matters as well as personal messages to and from members of the garrison of Vindolanda, their families, and their slaves. Highlights of the tablets include an invitation to a birthday party held in about 100, which is perhaps the oldest surviving document written in Latin by a woman.