This image is a scan taken from a hand coloured lantern slide. For more information about lantern slides see link below.
The Hakkeitei from the lake. A woman leans on the handrail of the Hakkeitei veranda and looks at the camera. A boat comes nearby, with three women dressed in kimono. One sits, and two others stand holding umbrellas. The boatman stands at the helm and the man in the stern holds a pole