It’s “Smartly dressed couple seated on an bicycle for two.” Series: Photographs Related to Ordnance and Engineering, ca. 1901 - ca. Record Group Records of the Office of the Chief of Engineers, 1789 -.
Le Vélo Torpille (Torpedo Bicycle) Built by a French aircraft engineer Étienne Bunau-Varilla. Here in Parc des Princes in the French Champion Marcel Berthet, beats a series of records, including the 5 km in 5 min 46 S .