1940's STEAM TURBINE & GOVERNOR CALCULATIONS Vintage ICS Home Stusy Booklets

Two Mid-century booklets measure about 7 1/2" x 4 7/8". Firmly bound, no loose pages. Covers have minor wear/smudges as can be seen in photos. There are numbers printed near bottom front on cover and former student's name written on inside cover. These booklets are stapled, staples may have some rust. Minor foxing on inside pages and odors due to age/storage. Please view photos, this is the exact item you will receive and the photos form part of the description. Don't hesitate to ask questions if you have any. Other books in this series available. Bundle and save. Reasonable offers always welcome. Please note that this is an estate sale find, used, has been in storage, cannot guarantee that it has never been exposed to pets or smoke.  We re-use shipping materials to reduce waste.