Accession Number:

AD1166825

Title:

The Prevention of Fogging of Optics in Submarine Periscopes

Descriptive Note:

[Technical Report, Formal Report]

Corporate Author:

NAVAL RESEARCH LAB WASHINGTON DC

Personal Author(s):

• Schechter, William H.
• Miller, R. R.

Report Date:

1943-02-12

Pagination or Media Count:

19

Abstract:

This report covers the experimental work done on the evacuation of periscopes by this laboratory for the purpose of reducing the, condensable vapor concentration to values below the dew points for any service temperatures. The equipment necessary and part of the operations have been reviewed.

Descriptors:

• navy
• vapor pressure
• chemistry
• water vapor
• dew point
• military research
• optics
• gages
• periscopes
• pressure gages
• silica gels
• submarine bases
• barometric pressure
• low temperature
• partial pressure
• vacuum
• vacuum pumps

Subject Categories:

• Submarine Engineering
• Thermodynamics

Distribution Statement:

[A, Approved For Public Release]