parislemon:

dpstyles:

bassman5911:

Plus Fours Routefinder - Worlds First Navigation System

Invented in 1920′s this could be world’s first navigation system. No satellites or digital screens were used in the making of this portable navigation system. Called Plus Fours Routefinder, this little invention was designed to be worn on your wrist, and the “maps” were printed on little wooden rollers which you would turn manually as you drove along.

(via avaxnews)

iWatch, eat your heart out.

Genius!

  1. spentgladiator-delta reblogged this from davidmarquez
  2. stillbuildingabetterme reblogged this from parislemon and added:
    This is wonderful!
  3. hermesthehorsey reblogged this from halffinishedstories
  4. halffinishedstories reblogged this from ansonj
  5. ansonj reblogged this from parislemon
  6. jackbaty reblogged this from parislemon and added:
    The only “smartwatch” I’ve seen so far that I’d consider wearing.
  7. pambeastly reblogged this from hellochello-x
  8. hellochello-x reblogged this from pudgebug
  9. diacoha21 reblogged this from bassman5911
  10. reddirthomegirl reblogged this from backwards-and-in-high-heels
  11. oh--captain--my-captain reblogged this from backwards-and-in-high-heels
  12. backwards-and-in-high-heels reblogged this from selfia
  13. amachinecanlove reblogged this from rainydaycraftexplosion
  14. elliebelliebutton reblogged this from underwaterworld
  15. milkshakemartin reblogged this from edgycupcakes
  16. edgycupcakes reblogged this from selfia
  17. selfia reblogged this from udnoestaaqui
  18. yoohoosoakedratmaze reblogged this from mudshark58
  19. crankyashley reblogged this from petermorwood
  20. stephensteele reblogged this from parislemon
  21. sewmycupoftea reblogged this from thelittlestonedfox
  22. hepziblah reblogged this from davidmarquez
  23. davidmarquez reblogged this from bassman5911
  24. smmrzk reblogged this from kei-28
  25. euroflieger reblogged this from iamboundtowin
  26. wheelluminati reblogged this from youcantbuyland