Add spaces: Mezzanine:centralsection,mid-wayupinthegrandstand.

Answer: Mezzanine: central section, mid-way up in the grandstand.

Add spaces: Thelightsareregulatedbywayof1-10Vvoltage.

Answer: The lights are regulated by way of 1-10 V voltage.

Add spaces: ConstanceandRuedLanggaardwithConstance'ssisterGudrunTetensinthegarden,August1942

Answer:
Constance and Rued Langgaard with Constance's sister Gudrun Tetens in the garden, August 1942