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The Calculating Cheese-Cutter: A Wheel Set by the Cheese's Weight
Henry G. Roth, Minneapolis, Minnesota · Public domain (expired patent)
Martin

Dicipta oleh

Martin

28. September 2026NO
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The Calculating Cheese-Cutter: A Wheel Set by the Cheese's Weight

A grocer cutting a slice from a whole round cheese had to guess, weigh, and trim until the weight was right. Henry G. Roth of Minneapolis received US 657,621, dated 11 September 1900, for a "calculating cutting device for cheeses of circular cake form": the cheese turns on a table while a small measuring wheel rolls on its top, set along a graduated rod according to the cheese's total weight, so that each turn of the wheel marks the same weight of cheese, whatever the cheese weighs. This rung works out why the total weight cancels, then builds a turntable with a weight dial and cuts wedges to a set weight.
Pertengahan
About 3 hours

Arahan

1

Weight per turn, and the wedge angle

Memuatkan buku nota Jupyter…
2

A wheel that measures

The embedded blueprint counts a wheel's turns to measure distance. Roth's wheel counts turns to measure weight of cheese.
3

Read US 657,621

"My present invention has for its object to provide a calculating cutting device for cheeses of circular cake form". "The twenty-pound graduation indicates a position just one-half as far from the axis of the centering-tube b as does the forty-pound graduation." As illustrated, the measuring wheel "is shown of such diameter that it will be given one complete rotation when properly set each time the cake of cheese is moved the distance occupied by a five-pound segment of the cake."
4

Build a weight dial and cut wedges to weight

Cut a plywood disk a little larger than the cheese and screw it to the lazy Susan. Drive a short stainless screw up through its centre as a pin to hold the cheese in place. On card stock, draw a circle and mark the wedge angles for 100 g and 250 g for cheeses of several weights, using the notebook's rule, with the protractor. Lay the card under a clear sheet on the disk, lined up with the pin. Weigh a whole round cheese and set it on the pin. Line a straight knife up with the pin and the mark for the weight you want, and cut. Weigh the wedge and write down the error. Cut three wedges and compare.

Bahan untuk langkah ini:

Kepingan papan lapisKepingan papan lapis1 keping
Dulang berputarDulang berputar1 keping
Kertas KadKertas Kad1 keping
Skru kayuSkru kayu5 keping
KejuKeju1000 g

Alatan diperlukan:

Pemotong kejuPemotong keju
PisauPisau
ProtraktorProtraktor
PembarisPembaris
Penimbang Dapur DigitalPenimbang Dapur Digital
Gergaji LengkungGergaji Lengkung
Gerudi Tanpa WayarGerudi Tanpa Wayar
Penanda KekalPenanda Kekal
5

Wedges that come out too heavy or too light

Cheese-cutter troubleshooting.

Flow

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6

History and honest limits

**Henry G. Roth** of Minneapolis filed US 657,621 on 29 June 1900; it was patented 11 September 1900. He graduated both sides of the dial case so that "both the salesmen from the inside of the counter and the purchaser from the outside of the counter" could read them. **Honest limits.** Both methods assume the cheese is the same density all the way round. The 20 lb radius is an example. Your weighed wedges are the measurement.

Bahan

5
  • 4
    Kepingan papan lapis
    1 keping
    Pemegang Tempat
  • 4
    Dulang berputar
    1 keping
    Pemegang Tempat
  • 4
    Kertas Kad
    1 keping
    Pemegang Tempat
  • 4
    Skru kayu
    5 keping
    Pemegang Tempat
  • 4
    Keju
    1000 g
    Pemegang Tempat

Alatan Diperlukan

8
  • 4
    Pemotong keju
    Pemegang Tempat
  • 4
    Pisau
    Pemegang Tempat
  • 4
    Protraktor
    Pemegang Tempat
  • 4
    Pembaris
    Pemegang Tempat
  • 4
    Penimbang Dapur Digital
    Pemegang Tempat
  • 4
    Gergaji Lengkung
    Pemegang Tempat
  • 4
    Gerudi Tanpa Wayar
    1 vendor sell this, none ship to you yet
    Pemegang Tempat
  • 4
    Penanda Kekal
    Pemegang Tempat

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