A triple beam balance
A beam balance scale is a precision instrument for measuring mass. They sell beam scales specifically for doctors, so it is probably used in a doctor's office.
In a doctor's office, weight is typically measured using a scale that displays the patient's weight in either pounds (lbs) or kilograms (kg). The scale may be a traditional standing scale or a digital scale. Staff typically record the weight measurement in the patient's medical records for tracking and monitoring purposes.
alum is used in a doctors office when giving birth
the Richter scale
A typical blood test may be conducted at any doctors office. There are also offers online to obtain a test kit that can be used in the convenience of your own home.
Ratio
"Attorneys general" is the correct term because "attorney" is being used as an adjective to describe the type of general, just like "doctors' office" refers to an office for doctors. So, the possessive form properly applies to "attorneys."
The one used most widely is called the Richter scale, after the seismologist who developed it.
a scale
This type of scale is often used in science labs because of its precision mass measurement. It can be used elsewhere such as in industry, though.
X-Rays!
two tone