A system of natural philosophy, designed for the use of schools and academies (1845)
Moffat, J[ohn] M. [from old catalog] · Philadelphia, E. C. Biddle · leaf 96
med respecting its use among the an-cients ? THE WEDGE. 93 will afford a sufficiently accurate ideaof one of the trilithons of Stonehenge,and when the structure was perfect,several of these were arranged in a cir-cular figure. It will not be difficult toconceive that a sloping bank or declivi-ty,…
Physics
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