Two 1/25 scale wood models of hydraulic truck cranes 

A 1/25 scale plastic operating toy tower crane

A 1/24 scale Buddy L steam powered crawler crane

A 1/24 Tonka crawler crane with clam shell bucket

A 1/24 Structo lattice boom truck crane with clam shell bucket

A salesman’s sample clam shell bucket in approximately 1/24 scale

A steam derrick crane in 1:48 scale made by Classic Construction Models

A Lorain dragline custom made from a 1/24 scale Reuhl model

A Liebherr LR1280 crawler crane with full boom and jib (by Conrad) shown completing the erection of a Vestas three megawatt wind turbine generator