| Camera Maker | Canon | Camera Model | Canon EOS-1Ds Mark III |
| Aperture | f/4 | Exposure Value | 0 EV |
| Exposure Program | Manual | Exposure Time | 1/640 sec |
| Flash | No Flash | Focal Length | 60 mm |
| ISO | 200 | Metering Mode | Pattern |
| Date/Time | 2011:10:18 11:01:37 | Resolution Unit | Inch |
| X Resolution | 240 dots per ResolutionUnit | Y Resolution | 240 dots per ResolutionUnit |
| Compression | Jpeg Compression | Exposure Mode | 1 |
| Subject Distance | 1.89 | Keywords | John Nepomuk Maelzel historic marker The Turk attraction destination display education information inventor landmark marker sign tourist Philadelphia attractive Automaton Chess Player Beethoven Benjamin Franklin educating historical marker Historical Site Historical Sites info Maelzel's Hall Napoleon Philadelphia County Place of Interest Places of Interest road side Road sign Roadside signage tour tourism tourist attraction Tourist Destination Tourist Destinations travel Travel Destination Travel Destinations William Schlumberger Pennsylvania appealing no people sightseeing text United States attract history nobody sightsee word daytime destinations Jason O. Watson / historical-markers.org displays historic markers inventors landmarks markers signs tourists United States of America appeal color image educate historic outdoor vertical day historical markers road sides tourist attractions tours colour image historical outside day time PA day-time US words color images daylight outdoors USA verticals colour images natural light outsides U.S. U.S.A. historic site sign with text |
| Caption | JOHN NEPOMUK MAELZEL (1772-1838) German-born inventor and showman; exhibited nearby at MaelzelÕs Hall, 1826-1831, assisted by Wm. Schlumberger. His Automaton Chess Player (The Turk) was famous for games with Franklin & Napoleon. He patented a metronome; made hearing aids for Beethoven. Pennsylvania Historical and Museum Commission, 2004 |