Emboldened by the work of the Fourteenth Amendment and by local political victories in the 1866 elections, the Republicans went on to introduce the Reconstruction Act of 1867. This removed the right to vote and seek office by leading rebels..
Compound Parabolic Concentrators (CPCs) are designed to efficiently collect and concentrate distant light sources. With acceptance angle options of 25Â° and 45Â°, our CPCs are able to accommodate a variety of light sources and configurations.his will allow Edmund OpticsÂ® to display the most accurate regionalized product, pricing, and contact information for the country to which you are shipping. You can change this selection at any time, but products in your cart, wish list, or quote may be removed if they are unavailable in the new shipping country.
A geodesic sphere and its dual. The mathematical object chord of the geodesic sphere corresponds to the structural strut of the physical geodesic dome. A chord is a (straight) line segment joining two points on a curve.For simple geodesic domes, curves follow the surface of a sphere circumscribing a regular polyhedron with triangular faces (tetrahedron, icosahedron, or octahedron).he first dome that could be called geodesic in every respect was designed after World War I by Walther Bauersfeld, chief engineer of the Carl Zeiss optical company, for a planetarium to house his planetarium projector.