,Key to codes used in CBM record,,Abrasion,,,Moulding Sand (ms),,Tegulae cutaway typology and dates,,,,,,,
,Alternatively for tegulae Warry's surface and edge codes may be used,,H,Heavy,,CG,coarse sand with grits,Date,Warry Group,Warry sub types,OA types,London type ,,,
,Surface finish,,M,Moderate,,C,Coarse sand ,RB: AD43-120,A,,,,,Warry (2006) ,Date range proposed by Warry
,Top/Upper/Outer surface,,L,Light,,M-C,,,,A2,D,D,,Group A,AD 43-120
T1,very smooth and flat,,O,None,,M,Medium sand,,,A26,,,,Group B,AD 100-180
T2,slighty rough and/or irregular,,~,No observation made,,F-M,,,,A27,,,,Group C,AD 160-260
T3,"cut, knife / wire trimmed",,vH,very high,,F,Fine sand,,,A28,,,,Group D,AD 240-380
T4,fairly even but undulating,,,,,N,None,RB: AD100-180,B,,,,,,
T5,ribbing/finger ridging (mainly found on imbrex),,,,,~,No observation made,,,B6,C1,E,,,
T6,Wiped/smoothed resulting in striations of varying fineness/coarseness (usually depending on size of sand/grit dragged across surface in process),,,,,G,Grit,,,,,,,,
T~w,One of above categories with additional significant wear or weathering to surface ,,,,,G Ch,Grit chalk,RB: AD160-260,C,,,,,,
T7,"Striated, extruded",,,,,G Fl,Grit flint,,,C4,A3,,,,
,Base/ lower / inner surface,,,,,V,organic - chaff,,,C5,A3/C1,B,,,
B1,even and flat; very smooth in more modern types,,,,,,,,,,,,,,
B2,flat/undulating with turf / organic impressions,,,,,,,RB: AD 240-380,D,,,,,,
B3,"Flattish, rough irregular with imprint of ground/working surface (impressions suggestive of bare ground, pebbles, grits or pellets of clay waste)",,,,,,,,,D16,A3a,,,,
,B3p surfaces pitted with rounded hollows (sometimes containing rounded lumps of ms),,,,,,,,,,A3b,,,,
B4,impression of former / mould / timber surface,,,,,,,,,D15,A3/C1 (small wedge),,,,
B5,"cut, knife / wire trimmed",,,,,,,Local rural ,R,,A1,,,,
,B5a over most of surface,,,,,,,,,,,,,,
,B5b intermittently all over most of surface (often used in conjunction with B3 or B6 eg. B3/B5b),,,,,,,,,,,,,,
,B5c cut as a margin only,,,,,,,,,,,,,,
B6,"flat, undulating, slightly irregular / rough, sanded.",,,,,,,,,,,,,,
B7,"Striated, extruded",,,,,,,,,,,,,,
,Sides and Edges,,,,,,,,,,,,,,
S,Smooth / flat,,,,,,,,,,,,,,
R,"Rough, irregular",,,,,,,,,,,,,,
K,Knife / wire trimmed,,,,,,,,,,,,,,
ER,"Flat, even rough sanded",,,,,,,,,,,,,,
kb,Knife / wire trimmed along lower surface of side/end edge,,,,,,,,,,,,,,
kt,Knife / wire trimmed along upper surface of side/end edge,,,,,,,,,,,,,,
tac,Top arris chamfered,,,,,,,,,,,,,,
bac,Base arris chamfered,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,
,Imbrex/ridge tile profiles,,,,,,,,,,,,,,
R,round/semicircular,,,,,,,,,,,,,,
A,angular,,,,,,,,,,,,,,
U,inverted - U shape,,,,,,,,,,,,,,
P,polygonal internally,,,,,,,,,,,,,,