'In 1923 the Zeiss unit seen here was placed under a dome to create the first modern one of these'
a planetarium
TECHNOLOGY FIRSTS: In 1923 the Zeiss unit seen here was placed under a dome to create the first modern one of these
In 1923 the Zeiss unit seen here was placed under a dome to create the first modern one of these
In 1923 the Zeiss unit seen here was placed under a dome to create the first modern one of these
TECHNOLOGY FIRSTS
a planetarium
TECHNOLOGY FIRSTS