1. 
   Mo 120-Rt-61
   The Thomson-Brandt MO 120-RT-61 is a French 120 mm calibre rifled mortar. The MO 120-RT-61 fires 18.7 kg special projectiles to a maximum range of 13000 metres at a rate of fire of 10 - 12 rounds per minute and for short bursts at 15 - 20 rounds per minute. The MO 120-RT-61 has a 2080 mm long barrel...
   Found op http://www.probertencyclopaedia.com/browse/FYM.HTM
   
   
2. 
   MO-120-RT-61
   Series of 120mm rifled mortars, Hotchkiss-Brandt [FR]
   Found op http://www.jedsite.info/index.html
   
   

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