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|   | Minkowski - Spherical - ⊚ - {t,r,θ,φ}   |  |  |  | 
|   | Minkowski - Cartesian - ⊞ - {t,x,y,z}   |  |  |  | 
|   | Minkowski - Cylindrical - ▭ - {t,r,θ,z}   |  |  |  | 
|  | 
|   | Born - Cylindrical - ▭ - {t,r,θ,z}   |  |  |  | 
|  | 
|   | Rindler - Original - ⊞ - {t,x,y,z}   |  |  |  | 
|   | Rindler - Radar - ⊞ - {t,x,y,z}   |  |  |  | 
|   | Rindler - Kottler-Møller - ⊞ - {t,x,y,z}   |  |  |  | 
|  | 
|   | Static Weak Field - Spherical - ⊚ - {t,r,θ,φ}   |  |  |  | 
|   | Rotating Charged Weak Field - Spherical - ⊚ - {t,r,θ,φ}   |  |  |  | 
|  | 
    
|   | Inner Schwarzschild  - Droste - ⊚ - {t,r,θ,φ}   |  |  |  | 
    
|   | Inner Schwarzschild  - Droste - ⊞ - {t,x,y,z}   |  |  |  | 
|  | 
|   | Schwarzschild  - Droste - ⊚ - {t,r,θ,φ}   |  |  |  | 
|   | Schwarzschild  - Droste - ⊞ - {t,x,y,z}   |  |  |  | 
|   | Schwarzschild  - Raindrop - ⊚ - {t,r,θ,φ}   |  |  |  | 
    
|   | Schwarzschild  - Raindrop - ⊞ - {t,x,y,z}   |  |  |  | 
|   | Schwarzschild  - Finkelstein - ⊚ - {t,r,θ,φ}    |  |  |  | 
|   | Schwarzschild  - Finkelstein - ⊞ - {t,x,y,z}    |  |  |  | 
|   | Schwarzschild  - Null - ⊚ - {u,r,θ,φ}    |  |  |  | 
|   | Schwarzschild  - Isotrop - ⊚ - {t,ř,θ,φ}   |  |  |  | 
|   | Schwarzschild  - Kruskal Szekeres - ◪ - {u,w}    |  |  |  | 
|  | 
|   | Reissner Nordström  - Droste - ⊚ - {t,r,θ,φ}   |  |  |  | 
    
|   | Reissner Nordström  - Raindrop - ⊚ - {t,r,θ,φ}   |  |  |  | 
|   | Reissner Nordström  - Finkelstein - ⊚ - {t,r,θ,φ}   |  |  |  | 
|   | Reissner Nordström  - Null - ⊚ - {u,r,θ,φ}   |  |  |  | 
|  | 
|   | Kerr  - Boyer Lindquist - ⊚ - {t,r,θ,φ}   |  |  |  | 
|   | Kerr  - Doran Raindrop - ⊚ - {t,r,θ,φ}   |  |  |  | 
|   | Kerr  - Kerr Schild - ⊚ - {t,r,θ,φ}   |  |  |  | 
|   | Kerr  - Null - ⊚ - {u,r,θ,φ}   |  |  |  | 
|