House-flies and how they spread disease /

Includes bibliographical references and index.

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

"November 1, 1951."

Evaluation of filter flammability and filter bank fire detection systems /

"U.S. Atomic Energy Commission Contract AT(29-1)-1106."

Family circle's guide to trout flies and how to tie them.

Mode of access: Internet.

Trout flies, naturals and imitations.

Includes bibliography.

Trout fishing and trout flies.

Mode of access: Internet.

Designs of filter plants, January 1900.

Mode of access: Internet.

A practical treatise upon angling with small and great rode : shewing the different flies, and baits through the various seasons of the year : to which is adjoined fishing in ponds /

In the photocopy, some leaves show two pages of the original.

The soldier flies or Stratiomyidae of California.

Mode of access: Internet.

Digital filter synthesis

"Cornell Aeronautical Laboratory, Inc. has assigned Report no. XA-2177-B-1 to this document."

Diptera danica. Genera and species of flies hitherto found in Denmark.

1.Stratomyiidae Xylophagidae, Coenomyiidae, Tabanidae, Leptididae, Acroceridae.-2. Asilidae, Bombyliidae, Therevidae, Scenopinidae.-3. Empididae.-4. Dolichopodidae.-5. Lonchopteridae, Syrphidae.-6. Pipunculidae, Phoridae.-7. Platypezidae, tachinidae.

The Fly Fisher's Guide : illustrated by coloured plates, representing upwards of forty of the most useful flies, accurately copied from nature /

Mode of access: Internet.

List of the Diptera or two-winged flies.

Bibliography: p. 195-315.

The bot-flies of domestic animals

"Reprinted from the Cornell Veterinarian, July, 1922"

Fly-fishing and fly-making, for trout, bass, salmon, etc. ... with plates of the actual material for making flies of forty-eight varieties ...

Mode of access: Internet.