blueprint

Spectacle Reef - Pier Protection

Split Rock - Fog Signal Installation 1 of 2

Split Rock - Fog Signal Installation 2 of 2

St. George Reef - Derrick Plan

St. George Reef - Fog System Piping

St. George Reef - Mushroom Trumpet

St. George Reef - Sheet 1

St. Johns River - 5 Pile Daymark - River Beacon

St. Johns River - 60' Pipe Tower - River Beacon

St. Johns River - 60' Pipe Tower Couplings - River Beacon

St. Johns River - 60' Pipe Tower Side Elevation - River Beacon

St. Johns River - Elevation

St. Johns River - Light Structure Elevation 1909 - River Beacon

St. Johns River - Light Structure Pipes 1909 - River Beacon

St. Martin's Shoal - Day Beacons

St. Simons - Lens - Ball Bearing, Chariot & Jacks

Staten Island Depot - Shade For Lamp Posts

Stratford Point - Range Lenses Fitted For A Revolving Light

Stratford Shoal - Boat Hoist

Stratford Shoal - Double Mouth Siren Horn

Sturgeon Bay Ship Canal - Ball Bearings For Illumination Device

Sturgeon Bay Ship Canal - Guy Wire Anchors

Sturgeon Bay Ship Canal North Pierhead - Steam Fog Signal Plate 2

Sturgeon Bay Ship Canal North Pierhead - Steam Fog Signal Plate 3

Superior Entry - Factory Work

Superior Entry - Lantern Glass

Table Bluff - Wharf Sheet 2

Tampa Bay Beacons - Mullet Key Shoal

Tampa Bay Beacons - Sheet 1 Cut A Range Front

Tampa Bay Beacons - Sheet 2 Cut A Range Front

Tangier Sound - Experimental Testing Tank For Lighthouses

Tawas Point - Fog Signal House

Tawas Point - Shore Protection Plan

Thirty Mile Point - Protection Shore Jetty

Three Brothers Reef - Construction Plan

Tillamook Rock - Fog Signal Machinery

Tillamook Rock - Fog Signal Machinery

Timbalier Island - Plate 3A Apparatus For Inserting Screw Piles

Timbalier Island - Plate 3A Apparatus For Inserting Screw Piles (2nd Sheet)

Toledo Harbor - Ball Bearings