Check the listing for details. GENERAL ELECTRIC (5) Early 1950s Educational Booklets Research Laboratory. Condition: Used. Listed at 18.36 USD. Visit my store, for a wide-ranging and eclectic assortment of cultural Americana. Go directly to your area of interest using the store category list. Be advised that those using a smartphone to browse eBay may need to expand this item's description for more detail. This item consists of five educational booklets. I assume each was issued by GE's Research Laboratory. All measure 8.375 x 11". Thunderbolt, Motors and Things I've Been Thinking are 8 pages each. The Romance of Electricity contains 14 pages. The Story of GE Research contains 45 pages. All are illustrated with photographs. All of my items come unconditionally guaranteed. This means I won't settle for anything less than your satisfaction. Other items in my store ^^^Signed by Yogi Berra et al^^^ ^^^SOLD!^^^ ^^^SOLD!^^^ PLEASE READ THE FOLLOWING BEFORE BIDDING OR BUYING: I do offer combined shipping for multiple purchases. Wait for me to send you a revised invoice before you check out, or I'll refund any over-payment. If I can mail your item for less than you've paid, you will receive a refund for the difference. EXPERT, WORRY-FREE PACKAGING! If you send me an ebay message and I don't reply, don't take it personal. I ignore no one, but stuff happens. Thanks for looking! Good browsing! Dick. ACCURATE, HONEST descriptions + GOOD pictures + HAPPY customers = BUY with confidence.