Collins 51X-1A Install & Service Manual. Circa 1956.

This item is:     Collins 51X-1A Install & Service Manual.     includes install, theory, maintenance, detailed schematics & illustrated parts lists.     We answer questions and will provide many detailed photos, email us:  altimeters@charter.net  or  altimeters@att.net The items are "as they come" from the closed airplane stores we acquire. This item is used equipment and we are selling this item untested, without warranty or return. We buy avionic shops,  instrument shops,  maintenance facilities,  aviation libraries,  flight schools & most airplane stuff. DISCLAIMER OF WARRANTY:    We are selling this item “As Removed, As Is, Where Is, Make Offer". We do not provide any warranty of this item whatsoever, whether express, implied, or statutory, including but not limited to, any warranty of "merchantability" or "fitness for a particular purpose" or any warranty that the contents of the item will be error-free.    We are not liable for any damages, including, but no