Strange Inventions

Au programme

• What was the primary purpose of Hugo Gernsback's 1925 invention called the Isolator?
• What made Julius Neubronner's pigeon camera an unusual invention?
• What problem was Emma Read's 1922 baby cage intended to address?
• Why were horse gas masks developed during the First World War?
• Julius Neubronner patented his pigeon camera in [____].
• The strange concentration helmet known as the Isolator was developed by [____].
• Emma Read's unusual 1922 invention was commonly called a baby [____].
• During World War I, horse gas masks were intended to protect animals from [____].