When do you need a portable Jacob’s Ladder? We don’t know, but apparently [mitxela] doesn’t want to leave home (or the laboratory) without one. So he built a portable unit that works for a ...

A Jacob´s ladder is a favorite project of high voltage enthusiasts. It makes a visually attractive and fun display of a high voltage electrical arc climbing a pair of electrodes. [Keystone ...

Locking mechanisms hold each rung in place when extended. The use of aluminum alloy makes these portable ladders light and ...

Highly portable, the Guide Gear 18-ft. ladder stand features a lightweight construction that makes it easy to transport to remote hunting spots. I personally like the increased mobility that comes ...

A prototype collapsible ladder for the F-16 Viper is stored in the cockpit map case. The invention by Maj. Nick “Trapper” ...

Fixed and Portable Ladders: OSHA’s 1910 Walking-Working Surfaces and Fall Protection Standards This free guide to ladder safety regulations summarizes the relevant standards from various parts ...