Now showing items 31-33 of 33
Project 10 Image - VA Montgomery County - 1947-05-01
(Virginia Tech, 1947-05-01)
Close-up of surface Plot 22 (1947) subsurface sweep plus disc. Note residual mulch is medium.
Project 10 Image - VA Montgomery County - 1947-10-01
(Virginia Tech, 1947-10-01)
General view of experimental deep lime placement machine in operation. Subsoil beam at 12 inch depth. This is initial trial upon which were based later modifications.
Project 10 Image - VA Montgomery County - 1947-03-24
(Virginia Tech, 1947-03-24)
Front view of deep lime placement machine. Depth control winch in foreground. Note hitch maintained directly through beam.