The Phonograph is one of the missing items that you need to recover and return to the correct time period. This Phonograph must be return in the time of Edison’s Workshop(1877 AD – 9’oclock in your Time Device) give it to the young man.
How to Get the Phonograph
Go to the Ancient Greece (1 o’clock 328 BC in your time device), the phonograph is on the roof of the Treasury building, which is the first one you come to (the guarded one). Go to the right side, climb the winged statue to the very top, and jump left onto the roof. There you will find the phonograph then give it to Thomas Edison (9 o’clock, 1877 AD).