BAIRD &. TATLOCK (LONDON) LTD. 



2419 T Silica Plates, opaque, up to 12 in. square, J in. thick, f d. per square inch. 



12 by 6 in. square, in. thick, l^d. per square inch. 



2420 T Silica Plates, opaque, glazed up to 4 in. square by in. thick, 2d. per square inch. 

 242 1 T Silica Rectangular Capsules, opaque, glazed, all measurements are internal. 



2422 T Silica Circular Plain Capsule, opaque, glazed, all measurements are internal. 



2423 T Silica Trays, opaque, four sided, outside measurements. 



472 



