Popular science monthly . One man can easily tilt thistruck body and discharge a loadof two tons in thirty seconds A motor-ambulance used by Australiantroops in curtains form atemporary are attached tostakes in the groundand pulled taut An electric flash-lamp with a bulb in the formof a hand, is one of the latest automobilesignals for warning a driver behind at night. The motor-tractor, run by storage batteries, has largelysupplanted the mule in hauling lumber about the yard 1S(; Are Doing- to Make this a Horseless Aire

---

Size: 1657px × 1507px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872