It's kind of addictive!
Interesting post, Colin..It'd be good to do some kind of tally of the baggins on this
There are five main categories and in my mind in order of holy grail'ness
1, A trig point pillar / plate.
2, A primary or 1st order benchmark (nearest to me is Windsor castle so no chance of getting near that one).
3, A trig point as part of a building or landmark, a chruch steeple for example.
4, A 2nd order benchmark, which would be a cast and numbered plate.
5, An ordinary benchmark, which are the ones chiselled into a wall or building, using that side by side viewer there are literally thousands of these, how many survive though would be questionable.
So far my score is a big fat NIL
As I've said, a wonderful excuse for a cycle ride, not that I needed one before but now they have purpose!
It also reminds me of when we learned how to land survey or set a temporary benchmark for a new build building or structure. We would start at a known benchmark and work our way out towards where the TBM would need to be established, this was about 1/2 a mile away so there would be numerous waypoints. We would establish the TBM value and then as a cross check work our way back to the known benchmark via a different route to error check. Obviously to be cock-on the sum of the outbound and inbound reduced level readings would be zero but a small tolerance was allowed (think it was 30mm per 1,000m for us students).
I also fondly remember using WW2 era (in the 1980's) Vickers theodolites for setting out for a few years when I started out working as a site engineer. They were buggers to set up over the 'pin' but you'd do your own site triangulation at the start of a project by establishing various 'pins' around the perimeter for both level and triangulation, chosing your own landmarks / buildings for reference points. Most would be wooden pegs driven into the ground (usually in close proximity to stingling nettles) and some would be a nail hammered into the footpath (laterly using a hilti nail gun). Quite often the wooden peg TBM's / level points would be removed by accident so you'd have to go to the trouble of re-establishing it which would also mean re-jigging all your triangulation calcs.
I then moved into the office and lost touch with it as these days it is all done with GPS and Total Station EDM's. But using instruments, particularly the old Vickers theodolites were a joy to use, quite often a right fiddle but still a joy. Those instruments were not a million miles away from the ones the Victorians used to survey not only the UK but the world.
Happy days they were and now I'm going to go out on the bike to bag whatever I can. With my ongoing heart issues it'll give me an excuse to go just a little further afield but not that much!
Glad I found this thread and @Drago what a bloody good idea !
It'd be good to do some kind of tally of the baggins on this
There are five main categories and in my mind in order of holy grail'ness
1, A trig point pillar / plate.
2, A primary or 1st order benchmark (nearest to me is Windsor castle so no chance of getting near that one).
3, A trig point as part of a building or landmark, a chruch steeple for example.
4, A 2nd order benchmark, which would be a cast and numbered plate.
5, An ordinary benchmark, which are the ones chiselled into a wall or building, using that side by side viewer there are literally thousands of these, how many survive though would be questionable.
So far my score is a big fat NIL
As I've said, a wonderful excuse for a cycle ride, not that I needed one before but now they have purpose!
It also reminds me of when we learned how to land survey or set a temporary benchmark for a new build building or structure. We would start at a known benchmark and work our way out towards where the TBM would need to be established, this was about 1/2 a mile away so there would be numerous waypoints. We would establish the TBM value and then as a cross check work our way back to the known benchmark via a different route to error check. Obviously to be cock-on the sum of the outbound and inbound reduced level readings would be zero but a small tolerance was allowed (think it was 30mm per 1,000m for us students).
I also fondly remember using WW2 era (in the 1980's) Vickers theodolites for setting out for a few years when I started out working as a site engineer. They were buggers to set up over the 'pin' but you'd do your own site triangulation at the start of a project by establishing various 'pins' around the perimeter for both level and triangulation, chosing your own landmarks / buildings for reference points. Most would be wooden pegs driven into the ground (usually in close proximity to stingling nettles) and some would be a nail hammered into the footpath (laterly using a hilti nail gun). Quite often the wooden peg TBM's / level points would be removed by accident so you'd have to go to the trouble of re-establishing it which would also mean re-jigging all your triangulation calcs.
I then moved into the office and lost touch with it as these days it is all done with GPS and Total Station EDM's. But using instruments, particularly the old Vickers theodolites were a joy to use, quite often a right fiddle but still a joy. Those instruments were not a million miles away from the ones the Victorians used to survey not only the UK but the world.
Happy days they were and now I'm going to go out on the bike to bag whatever I can. With my ongoing heart issues it'll give me an excuse to go just a little further afield but not that much!
Glad I found this thread and @Drago
You could at least try!
hat a bloody good idea !
The soldiers on guard are cermonial only. The rifles only have blanks fitted*, so it'll not be shot you'll be.
