very rare 1852-53 largely intact udall and hopkins' chicago city directory omprising an alphabetical directory of the city, a map of the city, census of the city, a list of city, etc.

oversized glazed ceramic insulator salvaged from a 1920s demolished herman von holst power station

rare 1885-86 floyd, wells, and company product catalog containing stoves, heaters, and ranges

original historically important oversized cast iron elevator car call box salvaged from the reid brothers's 1892 oregonian building

original 1992 tigerman-mccurry-designed basswood model of ludwig mies van der rohe's arts club of chicago

carefully cleaned and documented mid-19th to early 20th century fragments unearthed from chicago residential privy pits

museum-quality original custom-designed holabird and root old colony building interior lobby elevator door medallion

unique 1920s freestanding cast iron general electric street light or utility pole finial top with weathered paint finish

original custom-designed 1930 civil courts building interior lobby cast bronze elevator light or lantern with nicely aged patina

late 19th century original ornamental cast iron old colony building lobby elevator call box designed by holabird and roche

henry ives cobb-designed ornamental cast iron federal building copper-plated elevator door column fragment

original historically important early 20th century wrigley building interior lobby bronze and glass elevator signal indicator

original oversized mounted foundry pattern for ornamental bronze jewelers building elevator cage panel

original late 19th century antique american ornamental cast iron copper-plated office building elevator signal lantern by winslow brothers

stunning historically important american art deco style ornamental nickel-plated cast bronze general electric building lobby elevator call button plaque

rare late 19th or early 20th century salvaged chicago ornamental cast iron coal chute with brushed metal finish

late 19th century ornamental cast bronze "wood type" flush mount switchboard volmeter with original certification label signed by thomas duncan

oversized c. 1950's american vintage industrial perforated aluminum movie film reel with centrally located mounting hub

rare early 20th century antique american medical crookes x-ray tube wood and cast iron stand with adjustable brackets

highly slight after american depression-era kem weber-designed "zephyr" streamlined style analog clock with original finish

hard to find early 20th century salvaged chicago american industrial "moving iron" type surface mount building switchboard ammeter

original oversized cast brass encased steam pressure gauge salvaged from holabird and roche's pontiac building abandoned basement heating plant dating to 1890

historically important original copper-plated cast iron holabird and roche 1914 fort dearborn hotel building lobby elevator floor indicator with brass numbers