History of Photography Part 1 of 12

What mechanical device revolutionized silhouette creation in the late 18th century?

• Camera obscura
• Physiognotrace
• Printing press
• Daguerreotype

Who invented the physiognotrace in 1786?

• Thomas Wedgwood
• Gilles-Louis Chrétien
• Charles Willson Peale
• Moses Williams

How many silhouettes did Moses Williams create in his first year of working with the physiognotrace?

• Over 2,000
• Over 8,500
• Over 5,000
• Over 500

What significant achievement did Moses Williams accomplish through his silhouette work?

• Became a famous artist
• Earned enough money to buy his freedom
• Invented a new art technique
• Opened his own museum

What early method was used to create silhouettes before mechanical devices?

• Photography
• Free-hand cutting with scissors
• Digital tracing
• Photoshop editing

Which material was NOT mentioned as a surface for creating painted silhouettes?

• Ivory
• Plaster
• Glass
• Canvas

What chemical did Thomas Wedgwood experiment with in early image creation?

• Copper sulfate
• Gold nitrate
• Silver chloride
• Silver nitrate

What was a key limitation of Wedgwood's early photographic experiments?

• Poor image quality
• Expensive materials
• Lack of light sensitivity
• Inability to fix images permanently

In what year did Charles Willson Peale begin using the physiognotrace in his Philadelphia museum?

• 1790
• 1786
• 1802
• 1810

What technique was sometimes required when painting silhouettes on glass?

• Spray painting
• Oil painting
• Watercolor technique
• Reverse painting