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Backstaff

December 7, 2019

• Backstaff – An instrument formerly used for taking the altitude of the heavenly bodies, but now superseded by the quadrant and sextant; — so called because the observer turned his back to the body observed.

Backstaff <body> <h1> Array ( [0] => vackstaff [1] => nackstaff [2] => hackstaff [3] => gackstaff [4] => bzckstaff [5] => bsckstaff [6] => bwckstaff [7] => bqckstaff [8] => baxkstaff [9] => bavkstaff [10] => bafkstaff [11] => badkstaff [12] => bacjstaff [13] => bacmstaff [14] => baclstaff [15] => bacostaff [16] => bacistaff [17] => backataff [18] => backztaff [19] => backxtaff [20] => backdtaff [21] => backetaff [22] => backwtaff [23] => backsraff [24] => backsfaff [25] => backsgaff [26] => backsyaff [27] => backs6aff [28] => backs5aff [29] => backstzff [30] => backstsff [31] => backstwff [32] => backstqff [33] => backstadf [34] => backstacf [35] => backstavf [36] => backstagf [37] => backstatf [38] => backstarf [39] => backstafd [40] => backstafc [41] => backstafv [42] => backstafg [43] => backstaft [44] => backstafr ) https://clipperroutesevere.com/kdjbw4ywu?key=a54852e5dee5f9fa314d768d692142d1 </h1> </body>