Black and white photo of a boat in the water surrounded by trees

Wooden model of a schooner on a white background

Black and white photo of a stone wall with a shed on the left side

Drawing of a pendulum on a piece of paper with a scale attached to it

Black and white drawing of a plan of a building

Two men standing next to each other in front of a building

Black and white photo of a display case filled with various types of…

Group of people standing in front of a house

Group of people standing on top of a snow covered slope