Original Gear Mechanism For Raising Lowering Murray Morgan Drawbridge Stock Photo - Download Image Now - iStock
![Castillo de San Marcos' Main Drawbridge Mechanism | ClipPix ETC: Educational Photos for Students and Teachers Castillo de San Marcos' Main Drawbridge Mechanism | ClipPix ETC: Educational Photos for Students and Teachers](https://etc.usf.edu/clippix/pix/castillo-de-san-marcos-main-drawbridge-mechanism_medium.jpg)
Castillo de San Marcos' Main Drawbridge Mechanism | ClipPix ETC: Educational Photos for Students and Teachers
![File:Montlake Bridge drawbridge mechanism, Seattle, January 23, 1924 (MOHAI 4625).jpg - Wikimedia Commons File:Montlake Bridge drawbridge mechanism, Seattle, January 23, 1924 (MOHAI 4625).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/0/0f/Montlake_Bridge_drawbridge_mechanism%2C_Seattle%2C_January_23%2C_1924_%28MOHAI_4625%29.jpg)
File:Montlake Bridge drawbridge mechanism, Seattle, January 23, 1924 (MOHAI 4625).jpg - Wikimedia Commons
![31-Mar-2014 Daily Curio: From Bridge to Nowhere to Trolls to Lower Wacker to the Great Flood – College of Curiosity 31-Mar-2014 Daily Curio: From Bridge to Nowhere to Trolls to Lower Wacker to the Great Flood – College of Curiosity](https://collegeofcuriosity.com/wp-content/uploads/2014/03/Kinzie_Street_railroad_bridge_schematic.png)
31-Mar-2014 Daily Curio: From Bridge to Nowhere to Trolls to Lower Wacker to the Great Flood – College of Curiosity
![The drawbridge mechanism at Fort Stanwix - Picture of Fort Stanwix National Monument, Rome - Tripadvisor The drawbridge mechanism at Fort Stanwix - Picture of Fort Stanwix National Monument, Rome - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-s/06/e3/44/3a/fort-stanwix-national.jpg)