B1 foundation, 1958
B2 foundation beams, 1958
B3 foundation, 1958
B4 foundation beams, 1958
B5 foundation, 1958
B6 foundation beams, 1957
B7 foundation with beams, 1958
B8 foundation, roof floor and sectional beams of garages, 1958
B28 foundation of sheds, 1958
B29 schematic reinforced concrete construction, 1958
B30 schematic reinforced concrete construction, 1958
B31 schematic reinforced concrete construction, 1958
B32 schematic reinforced concrete construction, 1958
B33 schematic reinforced concrete construction, 1958
B34 schematic reinforced concrete construction, 1958
B35 schematic reinforced concrete construction, 1958
B36 schematic reinforced concrete construction, 1958
B37 underlay beams, 1958