That matches US Radio & Television Model 28. Tube 224 is same as 24 etc:
::Carlton was made by US Radio and Television.
::See if this schematic matches:
:::i bought a carlton floor model radio.would like to know who made these,for a schematic.cant find a model #.chassis # 28 and serial# 81858
::this is a floor model.the tubes are 80,45,45,27,27,24,24,24.still need schematic