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(a) Lattice-work under 3 stacked triangles, of triangles: which lower partly falls together with lattice work triangle (b) 5 stacked triangles with "scissor extension to next triangle (c) Lattice work outlined by 2 triangles joined together by bars (d) Triangle divided into 2 parts by a ladder. on each side dotted lattice work.
Photograph
C-12 neg. 66039 →
65 figures hard to readstruck struck outadded written in above” jug ditto, and what it repeatsword reading not certain