| Original/Reproduction | Original |
|---|---|
| Time Period Manufactured | Pre-1930 |
| Maker | Hans Heele |
Check the listing for details. Early Hans Heele Spectroscope. Listed at 4850.00 USD. This is a scare early model of the Three-Arm Brass Spectroscope by Hans Heele, circa 1893-1899. PHILADELPHIA" on one leg. German made, signed 'Heele-Berlin'. The light passed through a narrow slit, known as the collimator, which aligned the beam for analysis.
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