A Trekka Collectable Released by N. L. Jones, Sandringham, Victoria, this vintage Model B pH Electrometer has instruction manuals and appears to be in good working order. Box measures 33 x 25 x 28cm tall. This collectable piece is a rare scientific instrument. It is an old piece with its original patina. The piece is in solid condition without damage. A vintage Model B Electrometer in working order. Measures 33x25x28cm. In good used clean working condition - has normal finish loss. All pieces are original and complete. This is a highly collectible vintage piece. It has a polished wood. There are small surface marks on the wood, adding to its vintage character and appearance.
