Instructions
Use the time device to travel to 1877 A.D.
Walk left until you reach the motorized bicycle. Jump onto the bike, then click on it to start its engine.
Ride the bicycle back to the right until you're beneath the branch of a tree.
Jump onto the branch. Jump up and to the left to land on the second floor of the house.
Jump onto the railing, then jump up to the eave of the roof. Walk to the left and jump onto the chimney to collect the stone sun on top of Edison's workshop.