This has some interesting colour video of elevating graders. Skip forward to a bit after 10 minutes.
https://youtu.be/AZAgLgEbz3g?si=ec4CNGNAUHDaXbsP
Paul
a family friend his dad was a grader op for the local shire around wauchope in nsw he drove a old 12e.
he used it to grade the strip at port macquarrie airport. originally they provided a new model 12h to use he didnt like and asked for his old hand clutch machine said he couldnt "feel" the road. years later they surveyed it with laser gear he was reportedly only out about a inch in the length of the strip goes to show what the capabilities of the human eye are.
the national film and sound archive collection forms the unofficial history of australia
"i reject your reality and substitute my own" - adam savage. i suspect my final words maybe "well shit, that didnt work"
instead of perfection some times we just have to accept practicality