2000 years of history on a folding ruler. Historical facts on one side, historical periods on the reverse. Centimeters and inches.
What Lies Beneath - Tenement Museum
The Project Gutenberg eBook of An outlaw's diary: Revolution, by Cecile Tormay.
Lower East Side Tenement Museum — Google Arts & Culture
Historic Folding Ruler - Tenement Museum
About Us Tenement Museum
About Us Tenement Museum
Our Collections Tenement Museum
Vintage White Wood Folding Ruler, 72 Inches, 6 Feet, Durall Extension Rule, Antique Construction, Metal Hinges, Made in USA
Under One Roof - Tenement Museum
The Restoration of bridges of artistic and historic interest
Jacob Riis, “Knee-Pants” at Forty-Five Cents a Dozen—A Ludlow Street Sweater's Shop, from How the Other Half Lives
1913 30 hi-res stock photography and images - Alamy
A Cascade of Petals From the Met's Japanese Collection - The New York Times
History