Draw a gnomonic Azimuthal graticule , tangent at equator , $0^\circ,10^\circ,20^\circ,30^\circ, N$ , Longitude $30^\circ W$ to $30^\circ E$ , Interval is $10^\circ$ using a suitable scale.

Since no scale mentioned , we presume a scale where earth’s radius = 5 cm.

STEP 1

• Draw a circle with center at P .
• Draw two lines one vertical and one horizontal meeting at center P.
• Extend the vertical line by at least double the radius.
• Draw a tangent AB at the point where the vertical line meets the circle.Let this point be called C.

STEP 2

• Draw a line at an angle $10^\circ$ on both sides of the vertical ending at the tangent to the circle.
• Keep drawing lines both sides of the vertcal at $20^\circ,30^\circ,40^\circ,50^\circ,60^\circ$ angles to the vertcal and ending on the tangent to the circle.

STEP 3

• Draw Concentric circles with center C and radius equal to the distance from center to each of the points where the concentric circles meet the tangent line AB

STEP 4

• Draw tangents from P to the first of concentric circles at the point F where the first circle.