1970s: Aerial photos are viewed with special glasses by a mapmaking compiler and, in an animation, a cantilever extension and a bridging extension are shown in 1973.
By Rick Ray
- Stock footage ID: 26865976
Video clip length: 02:21FPS: 29.97Aspect ratio: 16:9Editorial use only. Learn more
|HD||$79||1920 × 1080||MOV||751.8 MB|
|SD||$65||852 × 480||MOV||92.7 MB|