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Here a a photo andv link to find the anlge on date and time year. https://www.wolframalpha.com/input?i=sun+angle+%5B%2F%2Fplace%3A93612%2F%2F%5D+%5B%2F%2Fdate%3A12%2F22%2F2024%2F%2F%5D If think of building a sundial I have a Excel worksheet for the anlges and time too. Dave

Welcome to the group Dave

I found this one for Google phones. I do not know about Apple phones I can still remember how use it today and this does not needs a pencil. Dave

Natural bonded foundry is simply you have it in backyard. It is good just soil. Most aluminum and bass foundries used upto 1960's. After slowly the foundry supplier talk foundry in purchasing the equipment and sand and clay. The best part of Natural bonded foundry just add water and mix...

If sitting around the Potbelly stove on a cold winter day while talking about Engines and shop related or any that needs a engines or topics appeals to you please post . Building a sundiel and Astrolabe. A face for both Astrolabe and sundial. Sundiel has 20 to 55 latitude primary Northern...

I have ever try moving block or object that weight. Myself and A employee move a 44,000 pound lathe by hand. It only took about ½ hour to move the lathe 12 feet. Did not little green men We (did not use roller) just box of soap and 2 bards. If remember most blocks was under 5,000 pounds...

Before I was in high-school I was using the slide rule drafting basically model aircraft and model engine and parts for engines. Most time I use C & D part of sliderule. I also for logarithms too. It was nice to have pi on the sliderule. I also for Navigation too. The E6B was lot better...

Welcome to the group Dave

I would look at 1045 or 1030 steel. Note they use different numbers. Basically it is 0.45 or 0.30 carbon steel . They may add lead Manganese. , Phosphorus, and or Sulfur to make it free machining and stronger too. Note adding Manganese, Phosphorus, and or Sulfur makes more difficult to weld...

Welcome to the group Dave

I found a lot tags and labels are screen printed with lacquer. I have also used offset printing plates . Thr Lazer printing on photo paper and plexiglass cover is easy and long lasting. Great for lot of projects and rebuilding Dave

The hard part is the case. I look at cellphone folding covers. It will do a great job. The face I look plating the numbers on or itching even painting. I found printing on photo paper then plexiglass over paper is easy way and will last a long time. I have this too on other projects. If like...

Here list wath you can do Better view on pdf below

I have two clocks over 100 years old. Both work. The one like I got 10th birthday. I never had wind or replaced batteries. You find on Ebay They both America and UK version. English version The one I have since 1964 I could great project too. Brass and plastic. Use only cellphone...

It was good about 10 to 15 years ago. Now to many trying to make money. There was on guy about 8 years ago talking welding and NR standing for North Ridge earthquake. Most probably not think about . NR Was around before the earthquake. I even call the manufacturer the sales person...

My on last past some may get wrong idea. I do moderate all threads here. All moderates here moderate the full website. I just wanted to be clear Dave

I think it is fix I volunteered to moderate for Breakroom too. The only problem I have found is a political. That is one thing people have a problem with. One group I on I not a Moderator I tell some group we are * TEAM AMERICA * it works this time . The moderate has had step in this...

I agree Dave

This first slide rule I used on first model aircraft engines I designed back 1960's . This slide ruler was designed for drafting tables. On the backside has cork at each end and center has units like miles to k meters and N miles . Meter conversion to English. Work great till electronic...

Nice looking engine Dave I use E6B a lot at one time . It so simple to use It faster than cellphone. Just look at huge engines B29 around 2,500hp times 4 or toal of over 10,000 hp and simple computer E6B was to guide . The B29 Power ranged from 2,200 to 3,700 hp. The high total is...