The coupled trickling filter-activated sludge process : design and performance /

Mode of access: Internet.

Report on tests of welding filter plates /

Mode of access: Internet.

Fine solids removal following combined chemical-trickling filter treatment /

Mode of access: Internet.

Wastewater stabilization lagoon : intermittent sand filter systems /

Mode of access: Internet.

Britain's boast, her glory and her shame; or, A mirror for all ranks.

"A few months have only elapsed since this work was ushered into the world under the inauspicious cognomen of 'The Eglinton Tournament,' &c., which misnomer I abandon for ever"--Proem.

High daily rate trickling filter performance : under the direction of the Board of State Health Commissioners, Upper Mississippi River Basin Sanitaton Agreement /

Includes bibliographical references.

Perceived importance of zones surrounding a vehicle and learning to use a convex mirror effectively. Final report.

National Highway Traffic Safety Administration, Washington, D.C.

Passenger vehicle, light truck and van convex mirror optimization and evaluation studies. Volume 1: convex mirror optimization. Final report.

National Highway Traffic Safety Administration, Washington, D.C.

Passenger vehicle, light truck and van convex mirror optimization and evaluation studies. Volume 2: evaluation of alternative mirror configurations. Final report.

National Highway Traffic Safety Administration, Washington, D.C.

Proposed rear view mirror characteristics and costs. Final report.

National Highway Traffic Safety Administration, Washington, D.C.

Long term recharge of trickling filter effluent into sand /

Mode of access: Internet.

A bound on the error in a general quadrature formula with equidistant ordinates /

"October 20, 1954"

A preliminary investigation of the effectiveness of a diatomite filter in the removal of radioactive phosphorus from water /

"November 1, 1951."

Numerical quadrature over a rectangular domain in two or more dimensions /

"This work was supported in part by the Office of Naval Research under Contract Nonr-1834(27)."

A study of chromatic aberration of a coma-corrected zoned mirror /

"Contract AF33(616)-6079 Project No. 9-(13-6278) Task 40572. Sponsored by: Wright Air Development Division"