Harmonia trigonometrica; or, a short treatise of trigonometry: wherein the harmony between plane and spherical trigonometry is clearly exhibited, and thereby all the Difficulties and Perplexities of the latter are entirely removed; so that both are render'd equally easy, their similar Cases being solved by Theorems materially, and almost verbally the same
  
  
    
      
    
    
      - People / Organizations
 
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      - Imprint
 
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        London: printed for Edward Cave, at St John's Gate, M.DCC.XLVIII. [1748]
        
      
 
    
    
    - Publication year
 
    - 1748
 
    
      - ESTC No.
 
      - T105388
 
    
    - Grub Street ID
 
    - 158701
 
    
      - Description
 
      - 29[i.e.31],[1]p.,plate ; 4°.
 
    
    
      - Note
 
      - Anonymous. By Henry Owen
 Pp.29, 30, 31 are misnumbered 31,30,29
 Vertical chain-lines.