Tripod (laboratory) - Wikipedia

Tripod (surveying) - Wikipedia

BIBLIOGRAPH

Lab Equipment [LiRI Wiki]

File:DLR School Lab stand (7646294992).jpg - Wikimedia Commons

Extensometer - Wikipedia

Made from premium aluminum alloy material, environmentally friendly and durable. Detachable design saves space and makes it easy to carry. Adjustable

Burner Lamp Stand Lab Burner Lamp Tripod Adjustable Laboratory Support for Laboratory Experiment Supplies

File:A laboratory heat spreader made of asbestos, over Teclu burner.jpg - Wikipedia

File:Dehlaviyeh Fars.jpg - Wikipedia

Science Fair Set, American Girl Wiki

Tripod (laboratory) Wikipedia audio article

Tripod (surveying) - Wikipedia

Ansel Adams - Wikipedia

Parallactic instrument of Kapteyn - Wikipedia