One White-Tatum Glass Insulator, clear. These were used on local power lines, telegraph lines and the like for decades. It makes a very nice paperweight! This one is 82 years old - it has not been cleaned or polished, its just clear glass. It has one small "ding" above the third "T" visible in the first photo. The piece is not cracked or broken. 3.5" diameter and 4 inches tall.
Front side (pictured) says "White Tatum No1"
On the back side it says '"Made in USA 6-41"
Weight: 1 lb 10oz
Shipping is by USPS groundl or FedEx ground (your choice) - shipping cost is calculated by ebay based on your zip code (no handling fee)