A memorandum is not admissible as independent evidence, though proven by the person who made it, but only for the purpose of refreshing the recollection of the witness. Western Union Cold Storage Co. v. Warner, 78 Ill. App. 577, 583; Lindroth v. Walgreen Co., 338 Ill. App. 364, 87 N.E.2d 307; D'Oranzo v. Lacny, 330 Ill. App. 333, 71 N.E.2d 104; (Abst.) "Where a witness has a distinct recollection of the circumstances surrounding the transaction as to which he testifies, written memoranda of the facts made by him at the time of the occurrence should not be admitted * * *."