. Annual report. New York State Museum; Science; Science. Cos X (axial) = Cos Y (diagonal) = 2(h^+k^+hk) 2h^ + 2hk—k^ 2(h=+k- + hk) 3(h+k) Cos (1120: hkio) = yf. Cos (lOTl : h k i o) = (h= +k^ + hk) 2c^(2h+k). 1/[4c-'(lf + k= + hk)] X 2 Pyramids of the second order (h. h. 2h. 1) V + 2tf h= Cos Y (terminal) = Cos Z (basal) P + 4c-h2 4cni=—? P+4c=h^ Cos (lOTl : ^) = 3(1 + 2hc^). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the or

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. Annual report. New York State Museum; Science; Science. Cos X (axial) = Cos Y (diagonal) = 2(h^+k^+hk) 2h^ + 2hk—k^ 2(h=+k- + hk) 3(h+k) Cos (1120: hkio) = yf. Cos (lOTl : h k i o) = (h= +k^ + hk) 2c^(2h+k). 1/[4c-'(lf + k= + hk)] X 2 Pyramids of the second order (h. h. 2h. 1) V + 2tf h= Cos Y (terminal) = Cos Z (basal) P + 4c-h2 4cni=—? P+4c=h^ Cos (lOTl : ^) = 3(1 + 2hc^). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York State Museum. Albany : University of the State of New York

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902