What are these? Socket like parts are brass and two brass rings of

Types of Chains used in Surveying, Their Parts, Testing and Advantages - The Constructor

What Are the Different Types of Screw?

Brass Light Socket - Plated - 3-Terminal - 2 Circuit - Turn Knob - Medium Base Socket - 1/8 IPS - PLT 90-421

History of Candlesticks — Uno Langmann Limited

Unknown tool identification - Anyone know what these are? : r/watchmaking

What are these twisted screw nails for? Re-theming a Blackout and they don't appear to screw into anything or hold anything down, they just go partway thru PF. They are very difficult to remove. : r/pinball

250-Watt Plastic Turn Knob Lamp Socket, Gold

Project Source 250-Watt Plastic Turn Knob Lamp Socket, Gold

metal object with rubber spring retractable end : r/whatisthisthing

Brass Metal: Types of Brass Metal, Types of Brass Metal, Applications and Advantages

Remove this cardboard from our new lamp's socket. We've been pulling with pliers but it won't budge. Doesn't seem like something we should leave in place. : r/howto

metal object with rubber spring retractable end : r/whatisthisthing

All about Wrenches

Unknown tool identification - Anyone know what these are? : r/watchmaking