Weevils fed toxic compounds and examined during a laboratory test in United States. Weevils stored for the tests in the laboratory. Man takes the container out of the store. Men test the poisonous compounds on the Weevils in a field. Glasses on a table contains poisonous compound.
Laboratory test of Weevils fed with toxic compounds in United States. Test glass containers with sand flooring, sprig of tender cotton plant moistened and poisoned. Chemists moisten the sprigs. They put poison on the sprigs. They examine the Weevils and keep a record of the Weevil. Dead Weevils picked and the poison is washed away. Man smokes cigar and picks the dead Weevils. A dead Weevil on a table.
Laboratory test of Weevils fed with toxic compounds, Weevils examined at Edgewood Arsenal in United States. Man smokes cigar and inspects the plants. Plant toxicity test to note the effect of poison on plant. Man examines a poisoned Weevil. He notes down the results. Test tubes on table. Man tests the compounds and Weevils in the test tubes. A cotton farm.
Pests destroy crops and other plants in United States. Close view of Brown Tail, Gypsy Moths, Japanese and the Mexican Bean Beetles.
The construction of USS Los Angeles rigid airship by Zeppelin company in Friedrichshafen, Germany. The ship was made at the request of U.S. Navy Department. The chief component being used is duraluminum. Animation depicts the methods of duraluminum stampings and assembly of girders. The workers work at a workshop. Construction and erection of a frame ring. Animated model shows construction of nose and tail. Men carry assembled tail section frame and attach it to the rest of the skeleton.
Bobby Jones wins the U.S. Open Championship after holing a 40 feet putt at Interlachen Country Club in Minneapolis, Minnesota. Bobby Jones tees off. People follow the ball. A crowd at the golf course. Bobby Jones is presented the championship trophy.
CRITICALPAST.COM: About Us | Contact Us | FAQs - How to Order | License Agreement | My Account | My Lightboxes | Shopping Cart | Advanced Search | Featured Collections | Website Terms & Conditions | Privacy Policy | Links ©2024 CriticalPast LLC.
License Agreement |
Terms & Conditions |
Privacy Policy
©2024 CriticalPast LLC.