In sustaining convictions of attempted burglary it has been held that not only the intent to break and enter the building but also the intent to commit a felony after entering can be inferred from such circumstances as being on a second story porch in a strange community at night with a pocket device which could be used for opening doors. Com. v. Dorman, 86 Pa. Super. 205 (1925). See also Com. v. Myers, 131 Pa. Super. 258, 200 A. 143 (1938); Com. v. Stefanczyk, 77 Pa. Super. 27 (1921); and State v. Woodruff, 208 Iowa 236, 225 N.W. 254 (1929).