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Agrre Traininglike celestial navigation also helps young officers better understand what the sailors who work under them do and the difficulties of the jobs. Morse & Signal Flags were practical since flashing light and other visual signaling is still used for "non-electronic" messaging.

Haven’t seen the article you are looking for, but I learned celestial navigation when I was in NROTC training at college and was required to complete a “day’s work” in celestial navigation as part of my Surface Warfare Qualification after I was commissioned. At that time most ships had satellite...

Real Mitutoyo from the mid-80's. To release the latch you need to push down at the top edge and slide the cover out. It's easier on my cheaper digital calipers since the batteries don't last as long and the cover latches get more exercise. I've never had a Silver Oxide battery leak, nor any...

It finally happened: IIRC, I put a fresh Energizer Silver Oxide (China) in about 4 years ago – I'd forgotten what a PITA it is to get the battery cover off.

Thanks! Found the home page: https://flywheel-supply.com

Spent a night on an LSD before storming the beach at Little Creek during my exposure to Marines during my 2nd Class Summer "Cruise;" had more fun on the 4th Class Cruise with a Hunter Killer Task Force in the North Atlantic (HUKLANT 71?0on the Intrepid (one of her last deployments): "From April...

UPDATE from Guy! I emailed Guy last week, asking about the content of the new editions, and here is a portion of his reply (my questions in italics): Hi Charles, Thanks for your note, and continued interest in my doings. I'm well, thanks, but gettin' older. (I'll be 78 later this month.) I...

Navigator on the Santa Barbara (AE-28); had to anchor out and take a boat - most locations didn’t allow ammunition supply ships to tie-up!

Welcome to the group. I visited Palma de Mallorca 47 years ago: beautiful place, but what I remember is having an exquisite Tenderloin Steak au Poivre at a little restaurant. [Good evening everyone, I've been building steam engines for a while, both oscillating and with sliding, the odd...

Not too far from Precision Mathews if you’re shopping for machines: https://www.precisionmatthews.com/ It’s a significant drive, but you should consider attending Cabin Fever in January, 15 minutes off Turnpike exit 266: https://www.cabinfeverexpo.com/

Welcome Gunny! My interests are mainly machining rather than models, but I find plenty of info here. I’m in the Harrisburg area, where are you located? Charlie

You could always try making one :). IIRC, Clickspring has a video showing the process (on a small scale). EDIT: Chris Makes Files:

As with most things, "it depends." I picked up a 10" Westward Lathe file (Grainger brand, sufficient for my limited use) about 2 years ago: On steel this does provide a better finish than a standard single-cut file, and as @Jasonb noted, doesn't pin as much. One important feature that this...

Yellow Ochre is traditionally used by jewelers as an anti-flux, mixed with either water or alcohol as a carrier. If not ordered from a jewelers’ or artists’ supply, it’s reasonably priced: https://a.co/d/iZBR8Iu

Then maybe you can answer a question I’m getting: do the new editions contain new content?

Hose kit is just that, a hose with a shut off valve at the cylinder end; the regulator is still in the base of the torch head. As long as you don't tip the bottle you should be ok?

That's interesting since they both have the spiral burner (I forgot to go back to my earlier post on the 8000); I would have though the only difference was the permanently attached hose with remote regulator. Although the 8250 has less heat output, with the remote regulator you have the freedom...

Got an alert from Amazon, the new edition was published September 5, 2024: Volume 1 new edition was released early last year:

Got an answer from Bernzomatic on the output of the 8250-series torches: Actually, they replaced the original answer which was this: "Thank you for your question! If you’re currently using propane, which has a maximum burn temperature of 3,600°F, you might consider switching to MAP-Pro...

Here is response from Bernzomatic regarding the 8000 torch: I don’t see any tank-mounted size Propane/MAPp Air torch delivering much more than the 14,000 Btu/hr; you’re going to need to go with a Sievert with a large tank (they eat fuel gas) to get 25,000 Btu/hr. That’s what Quinn...