Bulletin.

Description based on: 756, issued 1969; title from cover.

Pest control materials, 1950: fungicides, herbicides, insecticides, rodenticides, companies, uses and active ingredients

Mode of access: Internet.

Studies on the preparation of zirconium tetraiodide /

"3-16-50--525-A18843."

Refractories,

Bibliography: p. 161-162.

Engineering research bulletin.

No. 26 issued as U. S. Dept. of Agriculture. Bulletin no. 681.

Progress report on the use of small electric motors for (1) cutting ensilage, (2) sawing wood, (3) grinding feed.

Mode of access: Internet.

The Engineering Experiment Station bulletin.

Description based on: no. 7 (June 1913)

Bulletin /

Description based on: No. 10 (1919)

Bulletin.

Description based on: 532, issued 1950 (surrogate); title from cover.

A brief bibliography of economic geology ...

Caption-title.

Correlation of laboratory tests with full scale ship plate fracture tests,

"Progress report of the work done on Research Project Sr-96 under Contract NObs-31217 between the Bureau of Ships, Navy Department and the Pennsylvania State College."

Notes on experimental dynamics.

Reprint from Annual report of The Pennsylvania state college [no. 13, Off. doc.].

Bulletin.

Each number has title The extension bulletin.

Bulletin.

Some issues contain Annual report; issues between 1939/40-1949/50 containing annual reports are also called Science for the farmer.

Introduction to statistics,

Lithoprinted.