IMAGE EVALUATION TEST TARGET (MT-S) /. J ' / t/. 1.0 I.I 11.25 " itt £ US 112.0 12.2 M. 111.6 Fhotographic Sciences Corporation 23 WEST MAIN STREET WEBSTER, NY. 14580 (716) 873-4S03 ^ % ^^ ' fA CIHM/ICMH Microfiche Series. CIHM/ICIVIH Collection de microfiches. Canadian Institute for Historical Microreproductions / Institut Canadian de microreproductions historiques ^ Technical and Bibliographic Notes/Notes techniques et bibiiographiques The Institute has attempted to obtain the best original copy available for filming. Features of this copy which may be bibliographically unique, which may alter any of the images in the reproduction, or which may significantly change the usual method of filming, are checked below. D D n □ n □ Coloured covers/ Couverture de couieur Covers damaged/ Couverture endommagee Covers restored and/or laminated/ Couverture restaur^e et/ou pelliculde Cover title missing/ Le titre de couverture manque Coloured maps/ Cartes giographiques en couieur Coloured ink (i.e. other than blue or black)/ ere de uouleur (i.e. autre que bleue ou noire) Coloured plates and/or illustrations/ Planches et/ou illustrations en couieur Bound with other material/ Relii avec d'autres documents Tight binding may cause shadows or distortion along interior margin/ Lareliure serree peut causer de I'ombre ou de la distorsion ie long de la marge interieure Blank leaves added during restoration may appear within the text. Whenever possible, these have been omitted from filming/ II se peut que certaines pages blanches ajout^es lors d'une restauration apparaissent dans ie texta, mais, lorsque cela dtait possible, ces pages n'ont pas iti filmdes. 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Las diagrammes suivants illustrent la m^thoda. 1 2 3 1 2 3 4 5 6 ELEVEN MEDALS of HONOR and THIRTEEN DIPLOMAS A LETTERS^ from France, Italy, Belgium, Russia, Japan, Ac. f ~byv>»" 1878. OF CUBING ANY BODY BY ONR AND THE SAMl FOR ELEMENTARY SCHOOLS where the mensuration of plane areas is taught. Demonstratie in a single lesson. Patented i i Europe, in the United States and in Canada. Ad'^nted by the Society for the generalisation of education in France. Price of the^^Meauwith !?gSffigg|||»i8:88: Let B tlie area of one of the bases or extremities of auj body B'— that of the other base or extremity parallel to the first M— that of a section parallel to the bases B, B' and equidistant from them. H— Jie height, L the length or D— the diameter perpendicular to B, B' or M. Then i Prism, Prism oid, Cylinder, Cylindroid, Frustum of spliere or of ispheroid (2 or 8 axes) Frustum of pyramid^ of cone or of conoid. Pyramid, Cone, Conoid, Segment of Sphere or of Spheroid Wtdge. •^3 .2 • »s ■♦a < Vol=(B + B' + 4 M) J H or L. Sphere, Spheroid, Ungula of sphere or of spheroid. N. B. — In the pyramid, cone, flonoid, wedge, segment of sphere or of spheroid^ one of the bases B' = 0, that is, its arett is considered null. ■Vol. = (B + 0' + 4M)^HorL. N B. — In the sphere, spheroid or spheroidal ungula B = .Vol.=(0 + 0' + 4M)^ V Chs. baillairg^: Honorary Member of the Society for the Generalisation of Education in France and of several other Literary and Scientifio Sqiittita KEY to the System and complete Treatise on Mensuration of areas and of solids, 8vo. 280 pages, cloth bound, price single copy $1.50. Dozen SI5.00. Per iOO $116.00. Key to tableau, without the mensuration {Single cop Per dozen Pit hunrli copy $ 0.25. 2.40. rlr«iil 17 nn of areas, pamphlet 8vo. 16 pages. Addr 88 : C. BaillairgA, Quebec, Canada :s/v\.^ ..^^: lv\