Filters
"Pick-Me-Up" Puzzle - unknown
The Pitfall Puzzle - unknown
The Maze - unknown

Dexterity / Brass

Designer: unknown
Maker: unknown

Balance Puzzle - unknown
The Marksman - unknown
The Hand of Cards - unknown
The Amphitheatre Puzzle - unknown
The Barrel and Ball - unknown
The Wedding Ring Box - unknown
The Screw-box (modified) - unknown
The Maze Medal - unknown

Maze / Metal

Designer: unknown
Maker: unknown

The Cross Puzzle - unknown
The Fairy Tea-table - unknown
Zulu Box - unknown
The Switchback Puzzle - unknown
Puzzles Old and New - Professor Hoffmann