Passaic Falls, Paterson, N.J.

Lizzie Bourne's Monument, railway beyond.

Mt. Washington Scientific Corps, &c.

Arctic Sentinel.

Tip Top House, frost two feet thick.

Ammanoosue Upper Falls - Mts. Franklin and Monroe.

Frost sculpture.

Frost sculpture.

Miniature frost feathers on rocks.

Frost Crown of New England.

Mt. Washington from Ammanoosue Turnpike. Two miles of the Railway visible.

From the Observatory, looking down the Railway toward Shelburne.

Frost covered rocks, Mt. Lafayette and Moosilank in extreme distance.

Depot - Observatory, 60 feet long, 25 high, and 20 wide.

South over the Alpine Stable.

Portion of Chain, on Tip Top House, frost two feet in diameter.

Mt. Adams from edge of Tip Top House.

Frost Architecture.

Lizzie Bourne's Monument, Railway beyond.

Measuring the wind at 83 miles an hour, Mts. Adams and Madison beyaod.

Over the Alpine stable, Lake Winnipesankee visible.

Summit House, frost two feet high.

Tip-top House, frost two feet thick.

View in the Flume (Winter), Franconia Mts., N.H.

View in the Flume (Winter), Franconia Mts., N.H.

Christmas, 1868. Mall North, Orford, N.H.

Winter.

Is that frost?

Boiling sap.

Holiday in sugar orchard.