Demineralization of carbon-treated secondary effluent by spiral-wound reverse osmosis process /

Mode of access: Internet.

The development and utilization of automated and semi-automated microbial mutagenicity assays : cooperative research and development agreement with Spiral Biotech, Incorporated.

Mode of access: Internet.

Accidents on spiral transition curves in California. Final report.

Federal Highway Administration, Washington, D.C.

The coupling and mutual impedance between balanced wire-arm conical log-spiral antennas /

Includes bibliographical references (76-77)

Polygonal spiral antennas /

"Contract AF33(657)-8460 Project No. 6278, Task No. 40572."

The equiangular spiral antenna /

"Contract AF33(616)-3220 Project No. 6(7-4600), Task No. 40572, Wright Air Development Center."

A unidirectional equiangular spiral antenna /

"Contract AF33(616)-3220 Project No. 6(7-4600) Task 40572 Wright Air Development Center"

The highway spiral,

Reproduced from type-written copy.

Manual on design and application of helical and spiral springs.

"SAE J795."

Manual on design and application of helical and spiral springs.

On cover: SAE standards. TR-9.

Flight evaluations of the effect of variable spiral damping in a JTB-26B airplane.

"Contract no. NO(s) 56-793-c."

The complex broad-band X-ray spectra of Seyfert galaxies /

Cover: Laboratory for High Energy Astrophysics.

Investigation of centrifugal pumps : Part II, Experiments with a six inch horizontal centrifugal pump, comparing the efficiency of circular and spiral cases and showing the effect of air leakage

Mode of access: Internet.