Signedon base: FRIEZ INSTRUMENT DIVISION
on instrument enclosure, stylized logo, silver lettering on black circle: FRIEZ / BALTIMORE / Reg. U.S. Pat. Office.
on spool paper: NORFOLK SALVAGE COMPANY / NORFOLK, VA.
Inscribedstorage case has a typed label which reads: PLACE BOTTOM OF INSTRUMENT TO REAR / OF CASE, WITH WINDOW FACING RIGHT
metal plate on base: CHART NO. 448 G(?), INK NO. 10 & 20, PENS NO. 12
on separate brass plate: AERO 1943 U.S.N. NO. 198-44
FunctionFor measuring and recording temperature, humidity and pressure in upper atmosphere.
ProvenanceFrom the Agassiz Station, Harvard College Observatory. Brought to the Collection in 1969.