Fig. 5. Board of Oak. CS, cross-section; RS, radial section; TS, tangential section; v, vessels or pores, cut through.; A, slight curve in log which appears in section as an islet.
Fig. 6. Cross-section of Oak (Magnified about 5 times).
Fig. 7. Portion of the Firm Bodies of Fibres with Two Cells of a Small Pith Ray mr (Highly Magnified).
Fig. 8. Isolated Fibres and Cells, a, four cells of wood, parenchyma; b, two cells from a pith ray; c, a single joint or cell of a vessel, the openings x leading into its upper and lower neighbors; d, tracheid; e, wood fibre proper.