Скачать с ютуб How they work - what's happening out of sight on the San Francisco Cable cars? в хорошем качестве

How they work - what's happening out of sight on the San Francisco Cable cars?

Here's a more in-depth look at the workings of San Francisco's unique cable cars. What goes on below the slot - how does the cable stay in tension and how does the grip work? I've already looked at the history and taken a ride in this film    • The incredible San Francisco Cable ca...   This is a closer look at the technology developed in the 1870s and 1880s which keeps them moving for the delight of tourists from all over the world. Thanks for watching, please like and subscribe.