<Tr> <Th> World Cup </Th> <Th> Ball (s) </Th> <Th> Image </Th> <Th> Manufacture </Th> <Th> Additional information </Th> <Th> Refs </Th> </Tr> <Tr> <Td> 1930 </Td> <Td> Tiento (first half) T - model (second half) </Td> <Td> </Td> <Td> </Td> <Td> Two different balls were used in the final: Argentina supplied the first - half ball (the' Tiento') and led 2--1 at the break; hosts Uruguay supplied the second - half ball (the' T - Model' which was larger and heavier) and won 4--2 . </Td> <Td> </Td> </Tr> <Tr> <Td> 1934 </Td> <Td> Federale 102 </Td> <Td> </Td> <Td> ECAS (Ente Centrale Approvvigionamento Sportivi), Rome </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> 1938 </Td> <Td> Allen </Td> <Td> </Td> <Td> Allen, Paris </Td> <Td> Made up of leather, consisted of 13 panels and had white cotton laces on a separate thin panel . </Td> <Td> </Td> </Tr>

What are world cup soccer balls filled with