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People who would find periscopes useful are those who would wish to spy on other people.:-)
yeswhybecause i want to know all about the space exploration.
A buzz saw would be useful to someone undergoing a construction project. It is used to cut through things. Most often, it is cutting planks of wood to the proper size.
A small iron nail
Without the moon we would have no tides and many of the currents that keep the oceans working the way they do would not exist.
A sextant would be a type of astrolabe. It has a sighting mechanism that is a small telescope. It does not have a compass in it.
I don't think it would be very useful because they could scare you
The astrolabe did not have a religious use per se as it is not a religious object. (As opposed to say a rosary for Catholics, which is a religious object.) The astrolabe was useful in determining when the sunrise and sunset would occur in order to pray at the proper times.
That would be an Astrolabe.
Astrolabe
i think it take u place to plce.
Astrolabes had numerous purposes. At sea, the astrolabe would have been used to calculate one's position in the water based on the position of the sun, stars, or the moon.
Because it contains marble....................I think?
Water i think would be the popular choice.
The engine will not run without a supply of petrol so you would think it is useful.
The engine will not run without a supply of petrol so you would think it is useful.
Yes, though it is not easy to think of a situation where it would be useful.