1
Cheese making at the Blanchard-Nissouri Cheese Factory - Part 1
1989
Ingersoll, Ontario, Canada
2
1. Milk Cans were hoisted to the weigh-in vat with the aid of milk pail slings and a crane
2. The Milk was poured into the weigh-in vat.
3
Milk on Wagons
1880?
Oxford County, Ontario, Canada
4
Milk Cart
Oxford County, Ontario, Canada
5
Milk Pail on Crane
1890?
Ingersoll, Ontario, Canada
6
Scale and Weigh in Vat
1890?
Oxford County, Ontario, Canada
7
3. Having weighed the milk, sample portions were taken to be used in the Babcock Tester.
4. The Babcock Tester operated as follows to determine the butterfat content of the milk:
i) 17.5cc of milk was taken into a pipette and placed in a test tube.
ii) 17.5cc of sulfuric acid was added to the milk sample.
iii) The test tube whirled in the centrifuge of the Babcock Tester for five minutes.
8
Test Tubes used to measure butterfat content in milk
1900?
Oxford County, Ontario, Canada
9
Babcock Tester
1880-1920
Oxford County, Ontario, Canada
10
Babcock Tester (hand crank)
Early 20th Century
Oxford County, Ontario, Canada
11
Babcock Tester (steam powered)
Early 20th Century
Oxford County, Ontario, Canada
12
Babcock Tester (hand crank)
Early 20th Century
Oxford County, Ontario, Canada
13
iv) Pressure caused the butterfat to raise to the neck of the test tube where it was measured with calipers.
14
Calipers
1900?
Oxford County, Ontario, Canada