![2 tiny metal objects, with numbers and lines engraved. Each has a buckle and contains a semi-transparent piece of glass or plastic (a prism?) : r/whatisthisthing 2 tiny metal objects, with numbers and lines engraved. Each has a buckle and contains a semi-transparent piece of glass or plastic (a prism?) : r/whatisthisthing](https://preview.redd.it/2-tiny-metal-objects-with-numbers-and-lines-engraved-each-v0-7bukj2bg1fga1.jpg?width=4096&format=pjpg&auto=webp&s=9c06d9978d920e128e5c668db997360462f032b9)
2 tiny metal objects, with numbers and lines engraved. Each has a buckle and contains a semi-transparent piece of glass or plastic (a prism?) : r/whatisthisthing
![telemetro polibasico pavese (italia) - Acquista Equipaggiamento militare di campagna su todocoleccion telemetro polibasico pavese (italia) - Acquista Equipaggiamento militare di campagna su todocoleccion](https://cloud10.todocoleccion.online/militaria-equipamiento/tc/2020/11/11/20/224239101.jpg)
telemetro polibasico pavese (italia) - Acquista Equipaggiamento militare di campagna su todocoleccion
![Asta 57 armi antiche militaria - Antique arms militaria auction 57 - Ricci Curbastro - October 2015 | Vebuka.com Asta 57 armi antiche militaria - Antique arms militaria auction 57 - Ricci Curbastro - October 2015 | Vebuka.com](https://image.isu.pub/151026163930-7bf0c8ea311265cfa76ceb9067d177c4/jpg/page_47.jpg)