Harold Biondo

9th Army Ord. Pictures of Artillery Proving Grounds

Army Ground Forces HQ Decimal Correspondence 470.8 - Tanks, Misc

Fighting Vehicle Proving Establishment F.T.1396 - Sherman Crab Flail Development

Fighting Vehicle Proving Establishment Report F.T.1515 - Sherman Crab Whyman Lane Marking Device

Carnegie Institute of Technology - Model Study of the Rotaflail

Mine Exploder Mission

Lamson Corporation - Land Mine Detonating Device

Ministry of Supply, Extracts of A.F.V. Division Letter No. 6

Ministry of Supply, Extracts of A.F.V. Division Letter No. 5

Fighting Vehicle Proving Establishment Report F.T.1493 - Sherman V Lobster

Engineer Technical and Technological Survey - Notes on Japanese Obstacle Breaching Experiments

Fighting Vehicle Proving Establishment Report F.T.1395 - Sherman V T.212028 Middle East Scorpion Mk.V Twin

Fighting Vehicle Proving Establishment Report F.T.1535 - Crab II Step Down Gearbox

Fighting Vehicle Proving Establishment Report F.T.1554 - Crab Bevel Box Armour

Fighting Vehicle Proving Establishment Report F.T.1573 - Sherman I Crab

Fighting Vehicle Proving Establishment Report F.T.1586 (WDGS Report R2028-45) - Sherman Crab II

Fighting Vehicle Proving Establishment Report F.T.1524 - Sherman Crab Tea Tray