Add spaces: Bystartingproductionofthemalehormone,isthemalebodyconstantlysecretedsubstance.

Answer: By starting production of the male hormone, is the male body constantly secreted substance.

Add spaces: Groundfloorlivingroomof25m2,bathroom,equippedkitchen.Exittosecondkitchen.closedstoreroomunderstairs.

Answer: Ground floor living room of 25m2 , bathroom , equipped kitchen.Exit to second kitchen.closed storeroom under stairs .

Add spaces: Thebookisfrom1430-1435,sothisdanceisonly5-10yearsyoungerthanthedanceonthewallinParisand30yearsolderthanthedanceinLübeck.Unfortunatelytheimagesmadeavailablebythemuseumaren'tparticularlylarge.

Answer:
The book is from 1430-1435, so this dance is only 5-10 years younger than the dance on the wall in Paris and 30 years older than the dance in Lübeck. Unfortunately the images made available by the museum aren't particularly large.