Black and white photograph of a ladder with two adjustable legs over a measuring grid square on grass. Part of a camera ladder rig system developed by Merrill for taking overhead photographs of archaeological excavations. Flowers and trees are…

Black and white photograph of a ladder with two adjustable legs over a measuring grid square on sand. Part of a camera ladder rig system developed by Merrill for taking overhead photographs of archaeological excavations. A cottage is visible behind…

Black and white photograph of a ladder with two adjustable legs over a measuring grid square on sand. Part of a camera ladder rig system developed by Merrill for taking overhead photographs of archaeological excavations. A cottage is visible behind…

Black and white photograph of a ladder in front of a tree next to a cottage. Part of a camera ladder rig system developed by Merrill for taking overhead photographs of archaeological excavations.

Black and white photograph of two metric measuring grid squares next to a measuring stick on a rug. Part of a camera ladder rig system developed by Merrill for taking overhead photographs of archaeological excavations.

Funicular at Mount Lowe, California.

Pier at Long Beach, California.

U.S.S. Mississippi at Long Beach, California.

Fishing boats in Los Angeles Harbor, Los Angeles, California.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.

The Angus built by Burger of Manitowoc, Wisconsin. It was designed for scientific research for the Esterline-Angus Co. of Indianapolis and based in Grand Haven, Michigan. The Angus was donated to Grand Valley State University.