Epact Scientific Instruments of Medieval and Renaissance Europe


	Origin unknown

While most instruments, whether signed or not, can be attributed to a particular city or region, some remain difficult to place precisely.

For Origin unknown instruments, see:

Astrolabe, Unsigned, Origin unknown, circa 1400 (Oxford, MHS)

Astrolabe, Unsigned, Origin unknown, Early 16th century (Oxford, MHS)

Astrolabe, Unsigned, Origin unknown, Late 14th century ? (Oxford, MHS)

Equinoctial Dial, Unsigned, Origin unknown, 15th century ? (Oxford, MHS)

Gunner's Sight And Level, Unsigned, Origin unknown, 16th century (Firenze, IMSS)

Horizontal Dial, Unsigned, Origin unknown, circa 1500 ? (Oxford, MHS)

Measuring Rod, Unsigned, Origin unknown, 15th century (London, BM)

Navicula Dial, Unsigned, Origin unknown, 15th century ? (Oxford, MHS)

Polyhedral Dial, Unsigned, Origin unknown, Date unknown (Oxford, MHS)

Quadrant, Unsigned, Origin unknown, Date; place Undated (London, BM)

Quadrant, Unsigned, Origin unknown, Late 15th century ? (Oxford, MHS)