Plumb bob

Native American (Lenape, Proto-Munsee)
about 1340

Object Place: Between Matamoras and Dingman's Ferry, Pennsylvania, United States, Upper Delaware Valley


6.98 x 2.22 x 1.59 cm (2 3/4 x 7/8 x 5/8 in.)

Accession Number


Medium or Technique


Not On View




Tools and equipment

Smoothly polished dark stone. Elongated almond shape with rounded knob at one end.


1962, excavated on the property of Marie Zimmermann (36-Pi-14), in the area of the proposed Tocks Island Reservoir between Matamoras and Dingman's Ferry, Pennsylvania and acquired by Lyman Vandermark (b. 1909 - d. 1978), Port Jervis, NY [see note]; sold by Vandermark's widow to Glenn Del Gaizo, Stockholm, NJ; 1993, sold by Glenn Del Gaizo to the MFA. (Accession Date: October 27, 1993)

NOTE: This excavation, led by Lenape Chapter 12 of the Society for Pennsylvania Archaeology, is discussed by David J. Werner, "The Zimmermann Site: 36-Pi-14," in Archeology in the Upper Delaware Valley, by W. Fred Kinsey, III (Harrisburg, PA, 1972), pp. 55-130. Lyman Vandermark assisted at the site.

Credit Line

American Decorative Arts Curator's Fund