| 1/00 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass |
| 1/02 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Pendulum-weight apparatus |
| 1/04 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Pendulum-weight apparatus the pendulum having a fixed pivot axis |
| 1/06 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Pendulum-weight apparatus the pendulum having a fixed pivot axis with a plurality of pendulums |
| 1/08 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Pendulum-weight apparatus the pendulum having a moving pivot axis, e.g. a floating pendulum |
| 1/10 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Pendulum-weight apparatus the pendulum having a moving pivot axis, e.g. a floating pendulum with a plurality of pendulums |
| 1/12 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Pendulum-weight apparatus Constructional arrangements for obtaining equal indicative divisions |
| 1/14 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Pendulum-weight apparatus Temperature-compensating arrangements |
| 1/16 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Pendulum-weight apparatus Means for correcting for obliquity of mounting |
| 1/18 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Balances involving the use of a pivoted beam, i.e. beam balances |
| 1/20 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Balances involving the use of a pivoted beam, i.e. beam balances Beam balances having the pans carried below the beam, and for use with separate counterweights |
| 1/22 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Balances involving the use of a pivoted beam, i.e. beam balances Beam balances having the pans carried below the beam, and for use with separate counterweights for precision weighing |
| 1/24 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Balances involving the use of a pivoted beam, i.e. beam balances Platform-type scales, i.e. having the pans carried above the beam |
| 1/26 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Balances involving the use of a pivoted beam, i.e. beam balances with associated counterweight or set of counterweights |
| 1/28 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Balances involving the use of a pivoted beam, i.e. beam balances with associated counterweight or set of counterweights involving means for automatically lifting counterweights corresponding to the load |
| 1/29 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Balances involving the use of a pivoted beam, i.e. beam balances with associated counterweight or set of counterweights involving means for automatically lifting counterweights corresponding to the load with electrical or electromechanical control means |
| 1/30 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Balances involving the use of a pivoted beam, i.e. beam balances with associated counterweight or set of counterweights wherein the counterweight is in the form of a chain |
| 1/32 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Balances involving the use of a pivoted beam, i.e. beam balances with associated counterweight or set of counterweights wherein the counterweights are in the form of rider-weights |
| 1/34 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Balances involving the use of a pivoted beam, i.e. beam balances with associated counterweight or set of counterweights involving a fixed counterweight, with poise-weights selectively added to the load side |
| 1/36 | Weighing apparatus involving the use of a counterweight or other counterbalancing mass Balances involving the use of a pivoted beam, i.e. beam balances with associated counterweight or set of counterweights wherein the counterweights are slidable along the beam, e.g. steelyards |