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49)
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[[underline]] Hutchinsonian [[/underline]] account, [[strikethrough]] of [[/strikethrough]] & cause of Gravity
Mercury standing 70 inches in a Tube accounted for.
Newton & his followers contradict each other in accounting for it.
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Tang. APB : Tang. PBA. - The difference between the time of the observation and the R. A. of the N. pole * gives the 
Transcription Notes:
Right margin notes placed at top of transcription due to their being unrelated to the text on this page.

It seems logical that where use writes "S. [[angle symbol]]PBZ" for example, this stands for the sine of that angle.