In the 1950s, he wanted to return to active studies but much of the field was already filled with very large and expensive instruments.
The authorities also said musicians could take larger instruments on board, subject to a separate security check.
Book Music was the most commonly used medium for large instruments.
Interesting objects so discovered are then studied in greater detail on the larger instrument.
The Observatory houses many smaller telescopes for students to use in addition to the two large instruments.
"By that you mean those who left the large instruments on your world," Angus said.
Usually the only way we'd have of keeping you off an away team is with a large, blunt instrument.
In his larger instruments it was not uncommon to have 12 or even 16 bellows.
There was interest in much larger instruments for special purposes.
It doesn't take a large instrument to fill the musical bill.