Hello Arnold,
I'm sure you have the first version of the Wilesco drill. The model I own has the same paint except for the red of the lever for adjusting the drill table. The foundation of my model is already fixed with black hollow rivets. The axle of the two pulleys at the top of the column is also fastened with hollow rivets, as is still common today. In your version, the axle is fastened with nuts. In addition, there is the newer version of the drill table lever on my model that I have already mentioned.
I am glad to have seen pictures of what is very likely the first version of the Wilesco drill in your post.