Effective warning devices for parked/disabled vehicles : executive summary /

Mode of access: Internet.

Practical safety methods and devices, manufacturing and engineering,

Mode of access: Internet.

Manual on uniform traffic control devices for streets and highways.

Updated by continuing supplements and cumulated irregularly.

Propellant actuated devices.

Mode of access: Internet.

A practical treatise on the combustion of coal : including description of various mechanical devices for the economic generation of heat by the combustion of fuel, whether solid, liquid or gaseous /

"Authors and books consulted or quoted from": p. [v]-vi.

Laser scanning of active semiconductor devices--videotape script /

"This activity was supported by the Defense Advanced Research Projects Agency and the National Bureau of Standards."

A candle clock, recto, folio from Kitab fi ma`arifat al-hiyal al-handisaya (The book of knowledge of ingenious mechanical devices) Automata by al-Jazari

1 ft. 1/8 in.x 8 5/8 in.; ink, opaque watercolor and gold on paper

A musical toy in the form of a boat folio from Kitab fi ma'arifat al-hiyal al-handisaya (the book of knowledge of ingenious mechanical devices) Automata by al-Jazari

11 57/64 in.x 8 35/64 in.; ink, opaque watercolor and gold on paper

Automata by al-Jazari, The face of a water clock with Zodiac signs, folio from the Kitab fi ma'arifat al-hiyal al-handisaya (the book of knowledge of ingenious mechanical devices) Automata by al-Jazari

1 ft. 13/32 in.x 8 5/8 in.; ink, opaque watercolor and gold on paper

Two drinking men, folio from the Kitab fi ma'arifat al-hiyal al-handisaya (the book of knowledge of ingenious mechanical devices) Automata by al-Jazari

1 ft. 11/64 in.x 8 1/32 in.; ink, opaque watercolor and gold on paper

The basin of the two scribes, folio from the Kitab fi ma'arifat al-hiyal al-handisaya (the book of knowledge of ingenious mechanical devices) Automata by al-Jazari

1 ft. 1/8 in.x 7 3/4 in.; ink, opaque watercolor and gold on paper

verso: text and illustration: The water clock of the drummers from Kitab fi ma'arifat al-hiyal al-handisaya (The book of knowledge of ingenious mechanical devices) Automata by al-Jazari)

ink, opaque watercolor and gold on paper

Illinois supplement to the national manual on uniform traffic control devices.

"Adopted March 1990."

Illinois supplement to the national manual on uniform traffic control devices /

"March 10, 2011."--cover letter.

Quality standard for work zone traffic control devices, 1998.

These standards, covering highway work zone traffic control devices, were developed for suppliers and contractors doing work for the Illinois Dept. of Transportation.