Complex sentence: He apprenticed for a blacksmith in Osaka at the age of fourteen and invented the "Matsuda-type pump" in 1906 and took over management of the foundry at which he apprenticed.
Split into simpler sentences: He apprenticed for a blacksmith in Osaka at the age of fourteen and invented the "Matsuda-type pump" in 1906. Later, he took over management of the foundry at which he apprenticed.