What are Old World globes worth?

Most antique globes you find today are a bit younger though. Age can have a great influence on the value of a globe: while a good condition 30-inch globe from the 1930s-1960s can be valued at as much as a thousand euro, a tiny pocket globe from the late 18th century can be worth fifteen times more.

How does a Replogle tube work?

Replogle tube: a double lumen tube, where one lumen is for drainage of saliva and the other functions as an air vent. The Replogle tube is placed in the upper oesophageal pouch and connected to continuous low pressure suction of -15 to -35 cmH20 (equal to -11 to -25 mmHg) to aspirate saliva and prevent aspiration.