The first quote doesn't even tell us where the observation was conducted, while the second quote tells us that Winship's observation was made in a bay. Inland bays are very often calmer in nature than the open ocean.
You aren't going to watch a ship sail out of sight bound for another port and have it still be in the harbor.
In that same chapter in paragraphs four and five Winship reports looking at a ship at sea with a telescope and being unable to restore its hull. Wiship also reports looking at a ship sailing parallel alongside his own for a number of days - he reports sometimes being able to restore the hull and sometimes being unable to restore the hull, proving that the sinking ship on the ocean has more to do with the nature of the waves and the present atmospheric conditions more than anything.
I don't suppose it is to strong to think that maybe refraction takes a hand in whether something is visible at a distance?
Rowbotham specifically tells us from experiment and experience that the ship's hull on the sea is not brought back with a telescope. Samuel Birley Rowbotham told us exactly what Dyno would experience in his experiment 150 years ago.
Except he wasn't able to restore the hull like Winship or Rowbotham were. Because of the presence of the bulker in the picture, we are able to use it to determine the height of the waves by seeing the wetted area at the waterline. Since each of those white marks is 10 cm (4") and the major divisions are 1 m (3'), we can safely say that the seas (combined swells and waves) are less than 0.5 meters (1') in height.
Even if we double the height of the seas to 1 meter (3'), that doesn't account for the fact that half of the spinnaker (bow sail) isn't visible.
I'll post the quote again for you. From the chapter
Perspective on the Sea from Earth Not a Globe we read the following:
See that bolded part? It means that we shouldn't expect to restore the hull of a ship at sea with a telescope. Later on in the chapter it describes how the chaotic nature of the ocean surface prevents a person at ground level from peering through the waves the ship shrinks behind as it recedes into the distance.
Amazing how the model breaks down once you increase your field of vision to tens of miles. Have you ever noticed that in all of Rowbotham's observations about how the tops of lighthouses are visible at times when they shouldn't, he never mentions that he can see the bottom of those lighthouses? It always mentions the light or the top mark.
The OP has specifically done his experiment where Samuel Birley Rowbotham tells us a ship's hull cannot be restored. If he had done the experiment on a lake, a pond, a canal, or some other body of water there would be no issue. The blame is on the OP for not reading the material before preforming the experiment.
We can clearly see that the waves are obscuring the view between observer and ship. We can also see that the waves at that ground angle are obscuring the tiny hull of the distant sailboat in the distance. [/quote]
Except it isn't a "tiny" sailboat, and I explained the size of the seas above.
When the OP goes to a higher altitude and sees the cargo ship restored there's a waterline from the waves in the restored area, marking exactly how much of the ship was hidden at ground level:
Well, the wetted area at the waterline shows us how high the waves were, but the increased area of visibility was much greater than that. See the scrapes in the paint on the bulbous portion of the bow where the anchor chain rubs? That area is now much higher over the "horizon" than the height of the seas that we are supposedly now "seeing over."
Samuel Birley Rowbotham's work remains accurate time and time again. This thread just demonstrates how correct Rowbotham is.
That is apparently a matter of interpretation.