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FCCDFEd said:Hey like the pics, must be using that new camera. Don't most hydrometers have a squeeze bulb to bring the water up in to a main glass tube. That piece looks like the interior floater that measures the battery strength.
Could be wrong. Just a thought.

NOLA_Ken said:I think you might be right.....looks like one to me anyway.

ya know we were givin this item plus sum old camera equipment. sounds about right.rjs123 said:I am a wet plate collodion photographer. I shoot tintypes, ambrotypes and glass negatives with 19th century equipment and I use a similar hydrometer to measure the silver nitrate content of my silver bath. Hydrometers are used to measure the specific gravity of liquids.
But from what I still see that part is a thermometer.I still plainly see the tube for mercury one side even looks to have a F for degree fahrenheit other side for celsius.The temp correction note also IDs it as HydrometerAKiwi said:DCMatt has hit it on the head.....I have been home brewing for 21yrs now and that is a hydrometer as to calculate the % of alcohol in beer/wine or the amount of sugar to add to the must as to gain a certain % of alcohol.
Cheers
