"Tour de force", an experimental catapult/ballista.

von Anstee, John
Veröffentlicht in The Roman frontier at the Lower Danube, 4th-6th centuries. The 2nd International Symposium (Murighiol/Halmyris, 18-24. august 1996).
Bucharest : Vavila Edinf SRL, 1998.
Umfang/Format: 131-139 : Abb.

Some random thoughts and observations on the construction and use of the three span catapult.

von Anstee, John
Veröffentlicht in The Roman frontier at the Lower Danube, 4th-6th centuries. The 2nd International Symposium (Murighiol/Halmyris, 18-24. august 1996).
Bucharest : Vavila Edinf SRL, 1998.
Umfang/Format: 255-259.

The examination, interpretation and replication of an Iron lock from Lullingstone Roman villa, Kent.

von Anstee, John
Veröffentlicht in The Antiquaries Journal, 81 (2001)
2001.
Umfang/Format: 395-409 : Abb.

Brockholes : a Roman period site in the Lune George, Tebay.

von Anstee, John
Veröffentlicht in Transactions of the Cumberland and Westmorland :
Kendal : Cumberland and Westmorland Antiquarian and Archaeological Society, 2018.
Umfang/Format: p.43-66 : ill.