The New Practical Builder and Workman's Companion, Containing a Full Display and Elucidation of the Most Recent and Skilful Methods Pursued by Architects and Artificers ... Including, Also, New Treatises on Geometry ..., a Summary of the Art of Building ..., an Extensive Glossary of the Technical Terms ..., and The Theory and Practice of the Five Orders, as Employed in Decorative ArchitectureThomas Kelly, 1823 - 596 σελίδες |
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Σελίδα 74
... cylinder , generated by the line parallel to the axis , is termed the curved surface , which is either straight or convex , according as a straight edge is applied , parallel to the axis , or in any other direction . 215. A RIGHT CONE ...
... cylinder , generated by the line parallel to the axis , is termed the curved surface , which is either straight or convex , according as a straight edge is applied , parallel to the axis , or in any other direction . 215. A RIGHT CONE ...
Σελίδα 76
... cylinder so frequently occurs , I shall here give a more practical description of it . Thus- Let ABHI be a section of a right cylinder , passing through its axis , AB being the side which passes through the base , and let DE be the line ...
... cylinder so frequently occurs , I shall here give a more practical description of it . Thus- Let ABHI be a section of a right cylinder , passing through its axis , AB being the side which passes through the base , and let DE be the line ...
Σελίδα 77
... cylinder , as required . The same may be done in this manner , viz . - Bisect the line of section DE in the point t . Draw tm perpendicular to DE . Make tm equal to the radius of the circle which forms the end of the cylinder ; then ...
... cylinder , as required . The same may be done in this manner , viz . - Bisect the line of section DE in the point t . Draw tm perpendicular to DE . Make tm equal to the radius of the circle which forms the end of the cylinder ; then ...
Σελίδα 78
... cylinder passing through these three points . Through the three points , A , B , C , ( fig . 7 , pl . VI , ) describe the circum- ference of a circle . Join the two remote points , A and B , and draw AD , CF , and BE , perpendicular to ...
... cylinder passing through these three points . Through the three points , A , B , C , ( fig . 7 , pl . VI , ) describe the circum- ference of a circle . Join the two remote points , A and B , and draw AD , CF , and BE , perpendicular to ...
Σελίδα 105
... cylinders , cylindroids , cones , cuneoids , spheres , ellipsoids , & c . , either entire , or as ter- minated by cylinders , cylindroids , cones , and cuneoids . The FORMATION of ARCHES , GROINS , NICHES , ANGLE 13 . 2D 105 ...
... cylinders , cylindroids , cones , cuneoids , spheres , ellipsoids , & c . , either entire , or as ter- minated by cylinders , cylindroids , cones , and cuneoids . The FORMATION of ARCHES , GROINS , NICHES , ANGLE 13 . 2D 105 ...
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD abscissa adjacent angles altitude angle ABD annular vault axes axis major base bisect called centre chord circle circumference cone conic section conjugate contains COROLLARY 1.-Hence cutting cylinder describe a semi-circle describe an arc diameter distance divide draw a curve draw lines draw the lines edge ellipse Engraved equal angles equal to DF equation equiangular figure GEOMETRY given straight line greater groin homologous sides hyperbola intersection join joist latus rectum less Let ABC line of section meet multiplying Nicholson opposite sides ordinate parallel to BC parallelogram perpendicular PLATE points of section polygon PROBLEM produced proportionals quantity radius rectangle regular polygon ribs right angles roof segment similar triangles square straight edge subtracted surface Symns tangent THEOREM timber transverse axis triangle ABC vault vertex wherefore
Δημοφιλή αποσπάσματα
Σελίδα 27 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Σελίδα 20 - The areas of two triangles which have an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles. D c A' D' Hyp. In triangles ABC and A'B'C', ZA = ZA'. To prove AABC = ABxAC. A A'B'C' A'B'xA'C' Proof. Draw the altitudes BD and B'D'.
Σελίδα 51 - The area of a parallelogram is equal to the product of its base and its height: A = bx h.
Σελίδα 15 - AXIOMS. 1. Things which are equal to the same thing are equal to one another. 2. If equals be added to equals, the wholes are equal. 3. If equals be taken from equals, the remainders are equal.
Σελίδα 15 - LET it be granted that a straight line may be drawn from any one point to any other point.
Σελίδα 28 - ... angles of another, the third angles will also be equal, and the two triangles will be mutually equiangular. Cor.
Σελίδα 81 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Σελίδα 80 - The sine of an arc is a straight line drawn from one extremity of the arc perpendicular to the radius passing through the other extremity. The tangent of an arc is a straight line touching the arc at one extremity, and limited by the radius produced through the other extremity.
Σελίδα 28 - After remarking that the mathematician positively knows that the sum of the three angles of a triangle is equal to two right angles...
Σελίδα 22 - The perpendicular is the shortest line that can be drawn from a point to a straight line.