The knob screwed on top of a lamp shade could be anything! This question is too vague and needs more information.
The metal shades have holes in the top for a few reasons. The hole is normally the attaching point to the lamp itself and the hole is there to allow hot air to escape the fixture. If the air was trapped and couldn't get out the bulb would over heat and the filament would fractureHeat generated by the lamp rises and the holes allow ventilation, the heat escapes through the holes and prevents the lamp overheating.
The ornament that screws on top of a lamp is called a "finial".
blah blah blah sorry this guy on top is a nob-head
To replace the top of a lamp post, follow these steps: Turn off the power to the lamp post. Remove the old top by unscrewing it or using a wrench. Install the new top by securely attaching it to the lamp post. Turn the power back on and test the new top to ensure it is working properly.
Top down bottom up shades are just shades that you can pull and pull down depending on how much light you may want to come into your house.They also come cordless.
Top-down, bottom-up shades are one of the most versatile shade selections on the market. These types of shades offer plenty of privacy while letting you regulate how much light filters through into the room.Types of ShadesThe most common type of top-down, bottom-up shades are cellular shades. However, Roman shades can be custom-made to be top-down, bottom-up shades as well. There are also cordless styles of these shades available in stores and online.Window CasingsWhile you can access specific directions for installing these types of shades via the manufacturer's directions, the most common type of window casings required by cellular top-down, bottom-up shades are those with a depth of at least 1 1/8 inch.
It can be the top of a lamp or the top of a candle.
Claires
The lamp rod in a traditional floor lamp design serves as a support structure to hold the lampshade and light bulb in place at the top of the lamp.
To install cellular shades in your home, start by measuring the window opening. Then, mount the brackets at the top of the window frame and slide the shades into place. Secure the shades by tightening the screws on the brackets. Finally, test the shades to ensure they operate smoothly.
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