This extraordinary compendium of early-twentieth-century mechanical devices covers a seemingly inexhaustible variety of technological applications. Compiled as

A fascinating compendium of early-20th-century mechanical devices, this expansive work ranges from basic levers to complex machinery. More than 1,800 engravings

A fascinating compendium of early 20th century mechanical devices, this expansive work ranges from basic hooks and levers to complex machinery used in steam, mo

Collection of collages of 19th century engravings of machinery.