His exercise target was a southwestern New Mexico town, and he swung back from the Gulf area and coaxed the responsive craft until the planet gleamed brightly in the crosshairs of the navigational sight.
"A Fine Fix"
R. C. Noll
Large, and long, with a very good telescope on it-with crosshairs.
"The Galaxy Primes"
Edward Elmer Smith
A telescopic sight with crosshairs for the centering of the object to be attacked; a small lever.
"Astounding Stories of Super-Science, December 1930"
Various