a calligraphy theodolite
A technology of theodolite and calligraphy, applied to instruments, teaching aids, educational tools, etc., can solve problems such as not being easy to see clearly, and achieve the effects of flexible adjustment, convenient design, and easy operation
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0022] see in conjunction Figure 1 to Figure 3 , a preferred embodiment of the present invention, a calligraphy theodolite, which includes a main town ruler 1 and an auxiliary town ruler 2, and the main town ruler 1 and the auxiliary town ruler 2 are placed on the left and right sides or the upper and lower sides of the paper 4 in parallel. On the side, the main town ruler 1 is provided with several retractable coils 3 that can slide along the length...
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