Telefon harika bir alettir.
- The telephone is one wonderful device.
Edison teksir için bir alet icat etti.
- Edison invented a device for duplication.
Bu makinede bir güvenlik aygıtı yok.
- This machine doesn't have a safety device.
Bu çok gelişmiş bir aygıt.
- This is a very sophisticated device.
Prior to the issuance of the first stamps, letters accepted by postmasters for dispatch were marked Paid by means of pen and ink or hand stamps of various designs. To facilitate the handling of mail matter, some postmasters provided special stamps or devices for use on letters as evidence of the prepayment of postage.