American Pediatrician Doctor Arnold Gesell demonstrates with a toddler at Yale University, New Haven, Connecticut. Doctor Arnold Gesell demonstrates child's ability to pick up blocks. Toddler picks it up and put it in his mouth. He places a ring tied with a string. Child tries to hold the string but fails. Doctor Gesell places blocks on the table. Toddler holds ring and puts it in his mouth. Doctor Gesell places small pellet in front of the baby and the child cannot get a grip of the pellet. He places a bell in front and toddler picks it.
Testing of German V-2 rocket at the Guided Missile Proving Ground in Alamogordo, New Mexico. An aerial view showing the vertical launching tower for small-type missile and a gantry crane. V-2 on the ground nearby. A view of surrounding countryside.
A German V-2 rocket at the White Sands Proving Ground, New Mexico. A U.S. personnel standing around. A range control building, a gantry crane, a V-2 in launching position and a vertical launching tower for other types of missiles. The V-2 is launched and crashes in the far background. The gantry crane and a smaller type missile launching device in the area. Mountains surrounding the area. A couple of workers stand around and discuss.
A German V-2 rocket is launched and tested at the White Sands Proving Ground, New Mexico. Parked vehicles and mountains in the background. A radar installation shows various types of radar screens used in tracking the the missiles.
A German V-2 rocket is launched and tested at the White Sands Proving Ground, New Mexico. Preparations for firing shows a couple of workers standing on a platform near the base of the V-2 missile. They make the final preparations. A view from inside a control block house shows V-2 in the firing position. Workmen on ladders work on the warhead section of the V-2.
A German V-2 rocket is launched and tested at the White Sands Proving Ground, New Mexico. A radar tracking system shows various types of radar equipment used. A control house. Electrical power lines from the control house to the firing range.