Box 10
Contains 178 Results:
A spherical angle is measured by the arc of a great circle described from its vertex as a pole, and its vertex as a pole, and included between its sides, produced if necessary, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
Any side of a spherical triangle is less than the sum of the two other sides, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
In any convex spherical polygon the sum of its sides is less than 360 degrees, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
If one spherical triangle is the polar triangle of another, then, reciprocally, the second is the polar triangle of the first, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
On the same sphere or on equal spheres two symmetric spherical triangles are equivalent, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
The area of the surface generated by a line segment revolving about an axis in its plane…, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
The area of a spherical triangle is equal to the area of a lune whose angle is half the spherical excess of the triangle, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.
The plane passed through two diagonally opposite edges of a parallelepiped divides the parallelepiped into two equivalent triangular prisms, undated.
This series is compiled of collections of stereoscope cards, each with its own purpose, such as function or entertainment. These collections come in boxes specific to the cards.