People were mining, smelting, and forging many metals 650 years ago. The forge isn’t a complicated device. A coal fire with forced air to raise the temperature. Pressurized air can be taken from falling water. There are always bubbles. Leeskalnin’s PMH is really simple. If you have copper, silver or aluminum wire and Iron, you can make a permanent magnet. Moving copper, aluminum or silver through a magnetic field gives you electricity. Bees are not too hard to keep. Make a wood house with a small entrance for them and bait the inside with some beeswax and honeycomb and you can get them to move in. I worked at a fireworks factory a long time ago. Gunpowder is not hard to make. Finding potassium nitrate would be the hard part.
People were mining, smelting, and forging many metals 650 years ago. The forge isn’t a complicated device. A coal fire with forced air to raise the temperature. Pressurized air can be taken from falling water. There are always bubbles. Leeskalnin’s PMH is really simple. If you have copper, silver or aluminum wire and Iron, you can make a permanent magnet. Moving copper, aluminum or silver through a magnetic field gives you electricity. Bees are not too hard to keep. Make a wood house with a small entrance for them and bait the inside with some beeswax and honeycomb and you can get them to move in. I worked at a fireworks factory a long time ago. Gunpowder is not hard to make. Finding potassium nitrate would be the hard part.