Before she died of typhus at 15 inside the German concentration camp Bergen-Belsen, Anne Frank lived just over two years inside a secret 45-square meter (484-square foot) annex atop an Amsterdam ...

Hartzell Propeller has received supplemental type certification (STC) from the FAA for its composite three-blade, carbon-fiber propeller and spinner designed specifically for aerobatic flying. The ...

Click the FOLLOW button to be the first to know about this artist's upcoming lots, sold lots, exhibitions and articles Annette Hartzell is an American artist who was born in 1947. How much does an ...