Year of Photo / Document:
1843.08.16
Document Type:
File Type:
jpg (image/jpeg)
File Size:
1.11 MB
Optics
Jupiter Inlet - Alterations to Clockwork 1927
Year of Photo / Document:
1927.04.27
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
3.19 MB
Jupiter Inlet - Ball Bearing Chariot & Jacks
Year of Photo / Document:
1912.04
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
4.41 MB
Jupiter Inlet - Collector Ring/Brush Holder - Electrification of Light 1927
Year of Photo / Document:
1927
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
3.51 MB
Jupiter Inlet - Lamp Stand for 3 Electrctric Incandescent Lamps
Year of Photo / Document:
1926.12.15
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
6.03 MB
Jupiter Inlet - Lens Speed Reduction Gears
Year of Photo / Document:
1927.05.07
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
2.74 MB
Kailua - Drawings For Light
Year of Photo / Document:
1932.07.26
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
753.6 KB
Kauhola Point - Details Of Lens & Candlepower
Year of Photo / Document:
1917.05.20
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
621.61 KB
Kaunakakai Range - Base For Adapting Lens
Year of Photo / Document:
1911.02.13
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
604.62 KB
Keeper Charles Wheeler Letter To S. Pleasonton
Year of Photo / Document:
1842.02.18
Document Type:
File Type:
jpg (image/jpeg)
File Size:
1020.41 KB
File Type:
pdf (application/pdf)
File Size:
1.15 MB
Keweenaw Waterway - Electrical Equipment Relay for 50 - 100 Watt Lamps
Year of Photo / Document:
1925.05.12
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
622.61 KB
Key West Light Changed
Year of Photo / Document:
1914.11.13
Document Type:
File Type:
png (image/png)
File Size:
1.58 MB
Kilauea Point - Fresnel Lens In Lantern
Document Type:
File Type:
jpg (image/jpeg)
File Size:
313.43 KB
Lens At Depot
Year of Photo / Document:
1912.02.17
Document Type:
File Type:
jpg (image/jpeg)
File Size:
600.74 KB
Lens At Depot
Year of Photo / Document:
1909
Document Type:
File Type:
jpg (image/jpeg)
File Size:
940.3 KB
Lens At Depot
Year of Photo / Document:
1912
Document Type:
File Type:
jpg (image/jpeg)
File Size:
538.39 KB
Lens For Point Loma Similar To Others & May Go To Chicago
Year of Photo / Document:
1890.10.30
Document Type:
File Type:
jpg (image/jpeg)
File Size:
211.52 KB
File Type:
pdf (application/pdf)
File Size:
2.06 MB
Lens Plan
Year of Photo / Document:
1911.03.15
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
1.2 MB
Lens Problems
Year of Photo / Document:
1890.11.01
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
607.25 KB
Lens Training Session
Document Type:
File Type:
jpg (image/jpeg)
File Size:
9.35 MB
Lens With Ruby Screens Installed
Year of Photo / Document:
1911.03.15
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
1.17 MB
Letter Regarding Lighting Apparatus
Year of Photo / Document:
1811.04.15
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
1.15 MB
Lewis Lamps
Year of Photo / Document:
1812.03.05
Document Type:
File Type:
png (image/png)
File Size:
403.16 KB
Liston Range - Library of Congress Photo Collection 7
Year of Photo / Document:
1976
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
1.94 MB
Little River - Suggestion To Install Whaleback's Former Lens Into Little River
Year of Photo / Document:
1916.02.03
Document Type:
File Type:
png (image/png)
File Size:
6.23 MB
Little Sable Point - Lens Article
Document Type:
File Type:
jpg (image/jpeg)
File Size:
2.26 MB
Little Sable Point - Looking Up The Lens
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
227.2 KB
Los Angeles Harbor - Keeper & Lens
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
644.87 KB
Los Angeles Harbor - Keeper & Lens
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
925.77 KB
Main Light Resistor Adapter Kits
Year of Photo / Document:
1950.08.24
Document Type:
File Type:
jpg (image/jpeg)
File Size:
620.19 KB
Manhattan Range - Change From 6th Order Lens to 5th
Year of Photo / Document:
1905.09.16
Document Type:
File Type:
jpg (image/jpeg)
File Size:
356.32 KB
Manhattan Range - Estimating Candlepower
Year of Photo / Document:
1917.10.01
Document Type:
File Type:
jpg (image/jpeg)
File Size:
444.23 KB
Manhattan Range - Illuminating Apparatus
Year of Photo / Document:
1913.05.17
Document Type:
File Type:
jpg (image/jpeg)
File Size:
399.83 KB
Manhattan Range - Increase Candlepower
Year of Photo / Document:
1915
Document Type:
File Type:
jpg (image/jpeg)
File Size:
481.13 KB
File Type:
pdf (application/pdf)
File Size:
1.18 MB
Manhattan Range - Installation Costs
Year of Photo / Document:
1913.05.17
Document Type:
File Type:
jpg (image/jpeg)
File Size:
320.37 KB
Manhattan Range - Possibly Change From 6th Order Lens to 5th
Year of Photo / Document:
1905.09.02
Document Type:
File Type:
jpg (image/jpeg)
File Size:
526.07 KB
Manhattan Range - Request For Authority To Purchase
Year of Photo / Document:
1913.05.17
Document Type:
File Type:
jpg (image/jpeg)
File Size:
399.83 KB
Manitou Island - 3rd Order Lens Alterations
Year of Photo / Document:
1921.11.19
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
648.98 KB
Manitou Island - Alterations Of Lens Pedistal
Year of Photo / Document:
1929.10.03
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
589.77 KB
Marblehead - 3 1/2 Order Fresnel Lens
Document Type:
File Type:
jpg (image/jpeg)
File Size:
138.49 KB