Document Type:
File Type:
jpg (image/jpeg)
File Size:
757.82 KB
Optics
Point Montara - Rotating Beacon Installation
Year of Photo / Document:
1962.07.23
Document Type:
File Type:
jpg (image/jpeg)
File Size:
692.21 KB
Point No Point - Fresnel Lens In Lantern
Year of Photo / Document:
1964
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
370.12 KB
Point No Point - Lens Collage
Year of Photo / Document:
1961
Document Type:
File Type:
jpg (image/jpeg)
File Size:
938.06 KB
Point Reyes - Clockwork Proximity To Pedestal
Year of Photo / Document:
2013
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
427.63 KB
Point Reyes - Display In Visitor's Center
Year of Photo / Document:
2007
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
969.58 KB
Point Reyes - Inside The Lens
Year of Photo / Document:
2009
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
546.51 KB
Point Reyes - Looking Up In The Lens
Year of Photo / Document:
2007
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
319.35 KB
Point Reyes - Repurposed Drum Lens
Year of Photo / Document:
2007
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
435.35 KB
Point Sur - DCB Aero Searchlight Beacon
Year of Photo / Document:
1996
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
300.15 KB
Point Sur - Lamp Changer Plan
Year of Photo / Document:
1966.06.28
Document Type:
File Type:
jpg (image/jpeg)
File Size:
744.31 KB
Point Sur - Lens
Year of Photo / Document:
1925.04.20
Document Type:
File Type:
jpg (image/jpeg)
File Size:
737.57 KB
Point Sur - Main Light Gear Drive First Order Lens
Year of Photo / Document:
1966.11.08
Document Type:
File Type:
jpg (image/jpeg)
File Size:
726.09 KB
Point Vicente - Apparatus Of 3rd Order
Year of Photo / Document:
1959.04.07
Document Type:
File Type:
jpg (image/jpeg)
File Size:
808.73 KB
Point Vicente - Keeper Sits Inside Lens
Document Type:
File Type:
jpg (image/jpeg)
File Size:
634.53 KB
Point Vicente - Lens Worm, Shaft & Drive
Year of Photo / Document:
1924.05.15
Document Type:
File Type:
jpg (image/jpeg)
File Size:
750.46 KB
Point Vicente - Second Ordern Lantern
Year of Photo / Document:
1917.05.29
Document Type:
File Type:
jpg (image/jpeg)
File Size:
735.67 KB
Point Wilson - Field Data On Lens
Year of Photo / Document:
1961.06
Document Type:
File Type:
jpg (image/jpeg)
File Size:
956.9 KB
Pointe Aux Barques - Lens Chariot Wheels
Year of Photo / Document:
2009
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
235.38 KB
Port Sanilac - Lighthouse Oil Lamp Gives Way To Electric
Year of Photo / Document:
1931.10.10
Document Type:
File Type:
jpg (image/jpeg)
File Size:
318.51 KB
Portage River (Jacobsville) - Bulb Placement In Lens
Year of Photo / Document:
1927.01.05
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
423.01 KB
Portland Head - Change To 4th Order
Year of Photo / Document:
1882.10.06
Document Type:
File Type:
png (image/png)
File Size:
6.33 MB
Portland Head - Recommendation For 4th Order Lantern
Year of Photo / Document:
1882.06.26
Document Type:
File Type:
png (image/png)
File Size:
3.57 MB
Portland Head - Restoration Of Height And Lens Allotted
Year of Photo / Document:
1884.08.05
Document Type:
File Type:
png (image/png)
File Size:
6.1 MB
Request For Supplies, Lamp, Fog Bell / Construction / Repairs
Document Type:
File Type:
png (image/png)
File Size:
5.48 MB
File Type:
pdf (application/pdf)
File Size:
4.39 MB
Rock of Ages - Lantern
Year of Photo / Document:
2004
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
168.49 KB
Saint Joseph North Pierhead - Request For New Brighter Lamp
Year of Photo / Document:
1864.03.28
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
1.87 MB
Saint Joseph North Pierhead - Sketch Of Lens
Year of Photo / Document:
1901.03.01
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
282.73 KB
Sakonnet - Shipment of Fresnel Lens
Year of Photo / Document:
1884.10.13
Document Type:
File Type:
png (image/png)
File Size:
2.72 MB
San Luis Obispo - External Aerobeacon
Year of Photo / Document:
1996
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
548.37 KB
Sand Hills - Lens Assembly & Motor Drive Support
Year of Photo / Document:
1933.03.03
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
444.19 KB
Sankaty Head - Electrical Installation In Tower
Year of Photo / Document:
1934.02.14
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
4.12 MB
Sankaty Head - Pleasonton Correspondence
Year of Photo / Document:
1857.04.25
Document Type:
File Type:
png (image/png)
File Size:
7.55 MB
File Type:
tiff (image/tiff)
File Size:
4.64 MB
Sapelo Island - Details For Pedestal & Ball-Bearing Apparatus
Year of Photo / Document:
1905.07.14
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
560.42 KB
Seguin Island - Copper Lamps Delivered
Year of Photo / Document:
1796.08.23
Document Type:
File Type:
png (image/png)
File Size:
6.79 MB
Seguin Island - Lamps For Lantern Delivered
Year of Photo / Document:
1796.08.23
Document Type:
File Type:
png (image/png)
File Size:
6.47 MB
Sentinal Island - 4th Order Fresnel Lens
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
746.84 KB
Shinnecock - Diverged Beam Range Light W/ Lamp Changer (1 of 2)
Year of Photo / Document:
1931.03.31
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
3.49 MB
Shinnecock - Diverged Beam Range Light W/ Lamp Changer (2 of 2)
Year of Photo / Document:
1931.03.31
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
3.65 MB
Shinnecock - Pedestal & Mechanism Revolving Beacons (1 of 3)
Year of Photo / Document:
1930.09.12
Document Type:
File Type:
jpeg (image/jpeg)
File Size:
4.68 MB