Sikes Hydrometer, Serial # 385 Owner: J.S. Donovan Complete Sikes Deluxe Hydrometer Kit 10 weights (9 shaft weights, 1 calibration cap), 1 float, 1 thermometer, 2 slide rules for temperature correction, 1 box. Maker : Dring & Fage FRONT OF CASE: SIKES's HYDROMETER AS ESTABLISHED BY ACT OF Parllament MADE BY Dring & Fage Tooley St. London

BOTTOM OF CASE:

The Slide Rules Each of the two beautiful Ivory Slide Rules has 2 distinct reading types on either side of the rule. Both rules are in excellent working condition. Click on either image to see a large, full detail picture.

The Weights The complete weight set with the top cap, and nine numbered weights labelled 10, 20, 30, 40, 50, 60, 70, 80, 90. - All weights bear the original 385 serial number on the reverse. Click on either image for a large, full detail picture.

The Float The shaft is marked with 10 main increments ranging from 0 to 10, with 4 side markers between each main marker, for a 0.2 accuracy between marks. Every mark is readable. Both the upper and bottom shaft contains the Hydrometer's serial number stamp of 385. Click on either image to see a large, full detail picture.

The Thermometer The thermometer measures degrees Fahrenheit from 30 degrees to 105 degrees. This is a mercury thermometer, with an ivory back. This thermometer is in working condition and in excellent condition. At the time the scan was taken, if you look close enough at the detail picture you can see it is reading 74 degrees. Click on the image to see a large, full detail picture. Back to JD's Collection Page