/tg/ I come to you with questions: A: How many kinds of non

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>>53568436

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>>53568536

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>>53568721

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>>53568828

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>>53568854

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>>53568885

>>53568436
>How would a technologically primitive people be able to make cement from scratch?
How primitive? Look up what we know about roman concrete, it's probably as good as you are going to get.

>How did the ancient Romans and other people make glass for windows without electricity/advanced tools and such?
That's pretty easy to research. In essence, they either cast the molten glass into a frame, or they blew it, cut it and flattened it while still ductile.

>>53568436
>How did the ancient Romans and other people make glass for windows without electricity/advanced tools and such?

I don't think they did. Glass windows didn't exist until late middle ages.

>>53571398
Fuck off. The Romans already had glass windows.

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>>53570907
Roman concrete was amazing.
Some of it (using volcanic ash I think) was better than a lot of the stuff we use today - it's only fairly recently we know why too, so roman-style concrete may well see a resurgence.

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Here's a Roman, hope i can help with all you need.
First porous stone: one i know is tuff (https://en.m.wikipedia.org/wiki/Tuff). It has been used a lot in Italy and is still used to make some types of concrete, mostly mixing it with water and calcium. Historically it as been used more prominently in the form of bricks wich would be very lightweight and fragile. Like so fragile a kid could pick up a brick as big as his torso with little effort and smash it just dropping it to the ground. Regardless it as been used to make fortification walls and there are even villages wholly made on small tuff hills like the one in the picture, here's a link https://en.m.wikipedia.org/wiki/Civita_di_Bagnoregio
Of course it is a condemned place: tuff suffers a bunch from erosion.
But since it is made of volcanic ashes and has a really ancient feel to it you can work it out to havy any eerie connotations and symbolism you'd like.
As for water pipes, you ideally want them to be waterproof, porous stone is not and well... stone in general is usually a poor choice: it is harder to make a stone pipe than say a clay or metal one. Romans used lead pipes mostly wich was bad, really bad. Over generations it causes lead poisoning due to erosion of the lead in the water stream. Besides clay pipes can easily harbor moss, algae and all sorts of stuff but... you know, ancient times, people did not know much about sanitation: at best they realized that water tasted weird.
Aaaand to glass. Indeed glassblowing was practiced by romans and glass windows did existed.