Signed, in blue ballpoint pen, upper right, verso: gordon 1/74
Inscribed, in green ballpoint pen, lower left: KODACHROME | BEND [crossed out and replaced with:] LENS Inscribed, in graphite, lower center: [crossed-out inscription] Inscribed, in blue ballpoint pen, below the crossed-out inscription, lower center: KODACHROME | TWI-NITE LENS Inscribed, in green ballpoint pen, lower right: KODACHROME | LENS NIGHT Inscribed, in blue ballpoint pen, over the inscription in green, lower right: BEND | KODACHROME | [crossed-out inscription] Inscribed, in blue ballpoint pen, lower center below and beside other sketches, verso: dual Revolving turntables | Kodachrome II | on glass | continents adrift?