Raspberry Pi laptops are nothing new. There are already a bunch of kits you can buy to build your own. This Steampunk Raspberry Pi Laptop project is quite intriguing though. It was built as a backup computer for internet and word processing needs.
To get started, the developer used a mechanical keyboard with typewriter-like keys. A recycled LCD from an old laptop was used for the display. A bunch of gears and gauges were used for the steampunk treatment of the piece. phrazelle has shared the complete guide on Instructables.