Archive of Collections

Details and Image

TypeModel No.MakerCountryConstruction
DateScale LengthArea of Use
Hemmi 274-S
Celluloid on Bamboo
1975 Feb25 cmGeneral Purpose Engineering

Notes: "Hemmi date code ZB - among last Hemmi date codes known. dB scale suggests rule designed for acoustics. Besides this specimen which I purchased, I am unaware of any other 274-S offfered for sale."

Image 1

Image 2