Anonymous Navy Scientific Papers, No. 18. Magnetism: Its General Principles and Special Application to Ships and Compasses
![Anonymous Navy Scientific Papers, No. 18. Magnetism: Its General Principles and Special Application to Ships and Compasses](https://r.kelkoo.com/resize.php?country=se&merchantId=100565793&categoryId=5101&trackingId=96964074&width=300&height=300&image=https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F31AXxShPcHL._SL500_.jpg&sign=I9iJNDIrbVT14OELph9HRxLb2ARlxRmKem4g38W1Mcs-)
Navy Scientific Papers, No. 18. Magnetism: Its General Principles and Special Application to Ships and Compasses
Navy Scientific Papers, No. 18. Magnetism: Its General Principles and Special Application to Ships and Compasses