DTA Lantern Slide Library: Slide taken of two photographic prints, showing (top) the market at al-Majdal Asqalan, Israel and (bottom) R.G. LeTourneau's ‘Tournalayer’ machine for pouring concrete.
DTA Lantern Slide Library: Slide taken of two photographic prints, showing (top) the market at al-Majdal Asqalan, Israel and (bottom) R.G. LeTourneau's ‘Tournalayer’ machine for pouring concrete.
DTA Lantern Slide Library: Slide taken of two photographic prints, showing (top) the market at al-Majdal Asqalan, Israel and (bottom) R.G. LeTourneau's ‘Tournalayer’ machine for pouring concrete.
