The 155 mm Creusot Long Tom was a French siege gun manufactured by Schneider et Cie in Le Creusot, France and used by the Boers in the Second Boer War as field guns.
Long Tom being loaded during the siege of Mafeking
Long Tom drawing in manual, showing pivot plate, hydraulic recoil cylinder, chock and two kinds of trunnion cups.
Long Tom replica at Fort Klapperkop
Long Tom "Grietjie" (or "Creaky") was i.a. placed on a constructed platform south of Jackal Tree Hill, to the south of Mafeking. It was however moved 7 times during the siege.
Long Cecil is a cannon built in the workshops of the De Beers mining company in Kimberley for use by the British in the Siege of Kimberley during the Second Boer War.
155 mm Creusot Long Tom
…are incorporated in the Honoured Dead Memorial in Kimberley, commemorating those who fell in the town's defence, where they surround the gun called Long Cecil (built in Kimberley during the siege by George Labram, and a catalyst in the Boers bringing Long Tom to the siege). Replicas of the original cannons…
Barrel and breech blueprints