It was manufactured by French scientific instrument maker, Charles Beaudouin. Spokespersons claimed the device was a "serious scientific instrument". It has seven parts and each part is assigned to a different scientific instrument. Gualterus Arsenius, the 16th century scientific instrument maker, was his nephew. HST's guidance system can also be used as a scientific instrument. The proposal included a limited focus and a single primary scientific instrument. The "Treatise" is considered the "oldest work in English written upon an elaborate scientific instrument". On the extended lunar missions, an orbital scientific instrument package was carried. Wren and Hooke built the monument to double-up as a scientific instrument. Sector one of the Apollo 17 SM contained the scientific instrument module (SIM) bay. Larger or more sophisticated equipment is generally called a scientific instrument. Six of these experiments had a dedicated scientific instrument to collect data. Scientific instrument packages were installed on the lunar surface during all the Apollo landings. A DNA sequencer is a scientific instrument used to automate the DNA sequencing process. A FIB setup is a scientific instrument that resembles a scanning electron microscope (SEM).