David Davies uses equipment, Lincoln Lab, 1973
Description
David Davies uses a pencil to point to some New England tremor readins on a screen in front of him. Original caption: "David Davies, Lincoln Lab Seismic Research Group leader, is shown with a film record of the strip chart showing New England tremors as measured by LASA (Large Aperture Seismic Array) in Montana." Used in: Tech Talk, vol. 17 no. 49, date: 6/27/1973.