Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

On The Water > Fresnel lighthouse lens > Flashcards

Fresnel lighthouse lens Flashcards

1
Q

lens specs

A

3rd order lens
beam could be seen 17 miles away

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

lens history

A

installed in Bolivar Point Light Station, Galveston, TX
survived a hurricane August 1915 that swept away most of Bolivar Point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Fresnel lens history

A

invented 1822 by Augustin Fresnel, of French Commission on Lighthouses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Fresnel lens order

A

Hyper-Radial, largest
eighth order, smallest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly

On The Water (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions