HPB-SB-7-136: Difference between revisions

HPB-SB-7-136 (view source)

436 bytes added , 5 November

Добавление источника гравюры в Sources

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 {{HPB-SB-footer-footnotes}}
+{{HPB-SB-footer-sources}}
+<gallery widths=400px heights=400px>
+SB-07-136-source-1.png|''Fig. 1: pulley, suspended mass and reference surface'' — ''The Spiritualist'', vol. XII, no. 21, 24 May 1878, p. 250. [https://iapsop.com/archive/materials/spiritualist/spiritualist_v12_n21_may_24_1878.pdf Complete issue], PDF p. 12. Scan: IAPSOP; [https://creativecommons.org/licenses/by-nc/4.0/ CC BY-NC 4.0]. Cropped and deskewed.
+</gallery>