Home » On the proposed change of time marking to a decimal system : a plea that the duodecimal system be retained 1886 [Leather Bound]
No posts with label On the proposed change of time marking to a decimal system : a plea that the duodecimal system be retained 1886 [Leather Bound]. Show all posts
No posts with label On the proposed change of time marking to a decimal system : a plea that the duodecimal system be retained 1886 [Leather Bound]. Show all posts
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