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Great videos.

This is golden, it should be compulsory. Especially for those who keep the rescue groups so busy 🙂

I just stunbled upon this video in my RUclips feed and I'm very glad I did. This was such an interesting video. I particularly love all your added extra fun facts and points of geographical/historical intrigue. Keep it up, you have one new subscriber 😊

This video was 10/10 and something I have never seen done before.

13:05 perfect chance for the almost-local town of Happisburgh! pronounced hayes-bruh or perhaps Great Yarmouth, which is actually pronounced "the worst place on earth"

Years ago I discovered an old compass laying in the desert. It was missing some pieces, and was quite beat up. It was stamped on the back "M73", and "DICI M900". I tried to find a soldier who might've dropped it, but no one was missing a compass. I brought it back from SouthWest Asia when my tours ended, and brought it with me. I cleaned it up but never tried to find any parts to repair it. Today(20ish years later) your video was randomly(?) placed into my RUclips cue. I immediately recognized the compass you were working with, and dragged my old veteran out to confirm I'd found a Francis-Barker M73 all those years ago! Now I want to try to get it repaired back to it's original condition. The prism is missing, as is one screw for the cover. I'm sure the Tritium is depleted, but the compass works exactly as it should. Thanks for making this video!

I don't think anyone has ever made a lensatic compass that's useful for civilian, international use. The problem with the Cammenga is that the main scale is in mils, which is perfectly fine if you're in the US Army, but somewhat useless for anyone else. The degree scale only has a 5 degree accuracy. I suppose you can simply use mils instead of degrees, but that's a bit backwards if you're not travelling alone. All the other non-Cammenga lensatic compasses are pretty much useless, as none of them have a reference hairline, so you can't actually get an accurate bearing from them. And getting accurate bearings is what a lensatic compass excels at. It is by a very wide margin the absolute best type of compass for taking bearings. Unfortunately, to be that good at taking bearings, it had to sacrifice the quality of map work. Turning the bezel to align it with the map like you do at 7:43 is very, very imprecise. The 3 degree accuracy of the bezel is irrelevant, as aligning that tiny, tiny tritium mark with your map grid is very difficult. It's not that great for map work. It's also not ideal for following bearings. You need to get it out of your pocket, open it up, wait for it to stabilise, and then align it properly. A baseplate compass, on the other hand, is absolutely the best at map work, and very good at following bearings. But it is absolutely hopeless when taking bearings. So I am really wondering how come no one has combined the two? Why not have a lensatic style compass body and magnetic needle in a baseplate capsule that is transparent and with a cage and parallel lines? That would allow such a compass to be just as good as a normal lensatic at taking bearings, but also almost as good as the baseplate for map work since it can be used as a protractor. Oh well, once can only dream and hope... Either way, I agree with the rest of the comments. This is the best video on the internet on how to use a Cammenga lensatic.

Just back from walking in the Yorkshire Dales. So glad that I saw this video before I went. There were shake holes everywhere!

I've used both, I like the M1938 better.

Bought one of these because it claimed that it'd allow me to walk faster under bad conditions. That never worked.

Can I use compass I already have instead of buying new one?

Don't know how this video came onto my feed, but glad it did very informative.

The thumb is pretty wide. Do you measure from the middle of thumb 1 to to middle of thumb 2, the inside of thumb 1 to the inside thumb 2, or the outside of thumb 1 to the outside of thumb 2?

That's cool, thanks for sharing

I'm not offended. I'm just curious.

Thank you for the clue to identifying gateways.

Shoutout to Stiffkey

Irrelevant means there is no elephant. Everyone knows that.

Loved the video and the history lesson! I've only ever used a map protractor for taking grid bearings. I use my compass almost exclusively for shooting azimuths

I picked up one of these in an army surplus store in San Francisco back in 1975, It says manufactured by brunson instrument co. and has numbers stamped in it: "7-64" so I guess it was manufactured July 1964. I found it in an old box today AND happened to find your video by random circumstance today as well. Thanks for the info! I know more than I did.

Why does the compass point north. Scientists tells us the earth core is magnetic so the needle should point down. Maybe the world is flat like the 1892 Gleason map.

Used to be navigational poles on the summit but they were cut down

Great explanation

I use to use a compass like that, it was very good, did everything it was designed to do. But it stopped pointing north after a few too many times running and jumping.

Used one as a kid,also knew how to use a slide rule, my how times have changed.😎⛈️⚡🌞

Compass, ruler, sun alignement tool, all in one, wow, you won't find that in survival gear shops, hell i would have loved having one when bush tracking with search & rescue, all we had wasa map & standard plastic compass, one guy had his GPS it didn't work when we needed it, we where looking for a lost kicker in Rockie mountains. We finally found him two days later, severely dehydrated & a broken leg, he fell off the trail & ended up in a small Ravine.

Rabbit the Wise (Twister) will tell you never to fold the map, but to roll the map.

Less click also means less(er?) noise, less chance of enemy hearing you...

A bit of an aside, but your video brought some old memories back, thanks 👍 When I was a schoolboy, back in the mid 1960s, I bought a foreign made copy of the M1938 lensatic compass from a ‘Famous Army Stores’ shop in town as it was what I could afford on pocket money. Not military quality, foreign made, but it worked fine and I learned how to use it. At around 15 or 16 I used to have a Saturday job assisting my employer standing a stall on the town’s open market selling pottery and bone china. One day, trade was slow and so I took a break for a quick browse of other stalls. There was one which had mainly ex British forces tools, spanner’s, sockets, hand drills, hacksaws etc, some WWII webbing, mess tins, knives, no uniforms though. They also had a few pieces of US Army WII gear, and one was a sealed, so waterproof, plastic wrist compass with rotating bearing bezel. I still have it, although without its webbing strap, (radioactive?) paint luminosity gone, now brown, and as soon as I heard you say, “Superior Magneto …” I knew that and went to find the full name stamped into the reverse to see… ‘CORPS OF ENGINEERS US ARMY’ ‘MANUFACTURED BY SUPERIOR MAGNETO CORP L. I. CITY N. Y. U. S. A.’ I never use it now, just nostalgic thing I guess, or lensatic types. I’ve used Silva base plastic plate compass’ for over 40years. Years of backpacking, rock climbing and mountain biking, dropped and cracked, fell several 100ft when I was climbing, so the last one I got in the ‘90s when I was on my local MRT, and my go to is a Type 4/54. If you’re not familiar with the US Army Engineers WWII wrist compass, the one in the link is identical apart from that still has its strap. www.ima-usa.com/products/original-u-s-wwii-us-army-corps-of-engineers-wrist-compass-by-superior-magneto-corporation-with-web-wristband-dated-november-1944?variant=40798735106117

You know you're old when your map and compass are in your head.

Pretty sure I still have a 1938 running around. Looking back I wasn’t a huge fan of Boy Scouts, but glad I learned some of the things I did. Thanks for the refresher.

Got it down; thanx!

Thankyou for that great and clear explanation :)

Thank you

The magic bezel ring

Best friend on land NAV

Don't forget the magnetic declination .....

If the inaccuracy is reliably consistent I’d rather have one of the cheap ones than none at all but if I have the choice I’ll always go for the better model if possible…

I've used the '38 model compass since I was a kid in the Scouts. EZPZ.

My dad (retired USAF Air Police) had a M1938 military compass issued to him (I have it now) that he and the Boy Scouts taught me how to use. It saved my butt on one or two occasions when our group got misplaced while hiking in the Western PA woods during the 70's. Most of the guys had those cheap little plexiglass compasses and I had the only military compass. Both times we got back on track using my compass. Afterwards our guys were scouring the local Army and Navy stores for those M1938's. Nowadays everyone uses GPS or directional indicator/compass on their phones. Standard GPS satellite receivers will work almost anywhere (except areas with high iron concentrations or magnetic interference). But phone GPS only work near their microwave towers and in the deep woods or mountains and it's very iffy you'll get reception. I've met people who had those features on their phones and got lost anyway (and eventually found) as they didn't know which direction they needed to go even with a directional feature on their phone. People still need to understand the concept of using a compass and it's more modern variants (even on a phone) as well as know which direction is going to help them.

You have a vector b that ends at point B. It has a direction of 9 degrees west and a magnitude of 850 meters. Then you have another vector a that ends at point A. It has a direction of 12 degrees East and a magnitude of 850 meters. Now you are looking for the vector x that starts at point A and ends at point B. Everything is already done, just perform vector addition and you will know how far to go and in which direction. x = b-a

Fantastic video! I learnt a lot!

We need the right to roam in Ontario, Canada. While 87% of Ontario is Crown lands, that is almost all in the north. In southern Ontario, which is similar in size to England and where most people live, there is very little Crown land. It's getting harder and harder to find places in the countryside to go for a walk and to experience nature. Making matters worse, is many home owners in the countryside where there are trails, will petition to have no parking along the roadside - meaning it's very hard to get close to where we can go for a walk. At least land owners can't shoot us for trespassing.

i hve one of these

The highlands without a doubt are my favourite part of the UK, there is so much natural beauty and incredible nature

Now all those kidnappers know this one , thanks a lot bellend 🥴🥴🥴🖕🖕👎👎👎

your passion for geography is absolutely infectious lol

Interesting and educational video. As a cartographer and recent former serviceman, I bemoan the fact that this new generation don't even know how to use a map and/compass.

The compass from Satan

I suspect the WW2 era compasses are fairly radioactive. The phosphor will most probably not glow, except under UV light.