Longitude by Lunar Distances: Illustrated With Examples Worked Out Step by Step, and With References to Works On Practical Astronomy and to the "Nautical Almanac."

Save $5.65

• RRP $34.18
• $28.53

Save $2.64

• RRP $17.76
• $15.12

Save $4.43

• RRP $30.08
• $25.65

Save $2.73

• RRP $17.76
• $15.03

Save $9.16

• RRP $34.18
• $25.02

Save $1.22

• RRP $17.76
• $16.54

Save $2.91

• RRP $17.76
• $14.85

Save $1.11

• RRP $13.66
• $12.55

Save $1.96

• RRP $13.66
• $11.70

Save $13.93

• RRP $34.18
• $20.25