Updated to include prism in the sale. While the prism is not exactly period correct it is not far off. It is a high quality flint glass prism, produced in England, c1950. A Massive & Spectacular Spectroscope By Adam Hilger, London. The spectroscope stands on a massive cast iron stand with a tall column supporting the main workings of the instrument.At the top is the large circular stage finely engraved around the edge. The collimator tube is fixed at 0 with the telescope tube able to rotate freely around the stage. The telescope tube has a vernier scale and a friction clamp with fine adjustment. Above the vernier is a magnifying eyepiece on an arm. Above the main stage is the secondary prism stage that holds a prism in a clamp. This stage can also be freely rotated and a scale is engraved around the edge. The telescope has course focusing via the 2 large wheels at the top. This scientific instrument would have been used to study the spectrum of light in fields ranging from astronomy, physics, chemistry and biology. I have seen this spectroscope referred to as the No. 1 Spectroscope and The South Kensington Model and suggestions that is it is a very early Adam Hilger model from other sources. However, I only have access to the online catalogues from 1920 and 1928 (links below) and I have not been able to find this exact model there, so I cannot confirm this. Width: Depends on how you setup the arms of the devices. Realistically you would need a min. Of 50 cm width to display. Mechanical: No visible damage, everything seems to move as expected.
Optical: I have not tested the optics to create a spectrum, however a visual inspection of the lenses doesn't show up any issues. What it costs me, it will cost you and no more.
Please contact me in advance for an exact quote for your location. I don't have the original wooden case for this item.
Please feel free to contact me with any questions. The item "Antique Scientific Instrument Spectroscope / Spectrometer by Adam Hilger" is in sale since Wednesday, September 16, 2020.This item is in the category "Antiques\Science/Medicine\Scientific Instruments". The seller is "yournotinkansas" and is located in Galway. This item can be shipped worldwide.