Company Names, addresses, dates: ¹
  Williamson Drug Co, Harrisonburg VA (1909-????)

Notes:
Jacob White Williamson (1878-1954)³ and Cornelius Burnley Williamson (1880-1958)⁴ bought the Lupton Drug Company from James R. Lupton and started the Williamson Drug Company in 1909².

According to the US Census, Jacob ran the drug store, and Cornelius worked elsewhere.
Jacob was also the president of the Virginia Pharmacists Association in 1930⁵.

Most of the Virginia State directories of drugstores I used don't list addresses, but the ones that did list the address of the Williamson's drug company were as follows: ¹
  Williamson Drug Co, S. Main Street (1912)
  Williamson Drug Co, 72 S. Main Stree (1917)
  Williamson Drug Co, 92 S. Main Street (1927)
  Williamson Drug Co, 108 S. Main Street (1935,1938)
I don't know if the different street addresses indicate that the store moved, or if the street was re-numbered.

Jacob passed away in 1954, and his death certificate listed his occupation as owner and operator of a drug store.
By 1956, the store was owned by Frank K. Collins, but still called the Williamson Drug Company.⁵

I don't know how long the drugstore lasted, the the last newspaper reference I could find to the store was from 1972, when there was a fire at the store.⁶
A google search has shown some modern-day pharmacies in Harrisonburg with "Williamson" in the name, that may or may-not be related to this drugstore. They include:
    Williamson Drug - 1776 S Main St, Harrisonburg VA
    Williamson's Pharmacy - 1585 Red Oak St., Harrisonburg VA
    Williamson Hughes Healthmart - 1375 Little Sorrell Dr, Harrisonburg VA



Bottles:

	These are two sun colored amythest (SCA) bottles. Left is 6.4" and right is 3.7". They're both embossed: vertical: WILLIAMSON'S / HARRISONBURG, VA
	This is a sun colored amythest (SCA) 3.7" bottle embossed: vertical: WILLIAMSON'S / HARRISONBURG, VA
	This is a clear 5.5" bottle marked: vertical embossing on back: WILLIAMSON'S / HARRISONBURG, VA label on front: WILLIAMSON DRUG CO., / PRESCRIPTION PHARMACISTS / HARRISONBURG, VA. hand-written on label: ( Adrenaline )
	This is a clear 6.25" machine-made bottle with a label: label in red ink: WOOD ALCOHOL / (skull & crossbones with 'POISON" below) / ... / WILLIAMSON DRUG CO., / PRESCRIPTION DRUGGISTS, / HARRISONBURG, VA.
	This is a clear 3.5" machine-made bottle with a plastic screw-top. It has a label that says: label: WILLIAMSON DRUG CO., / PRESCRIPTION PHARMACISTS / HARRISONBURG, VA. typed at the top of the label: Glycerine.

	This is a 2.7" tall dose glass. It is marked: WILLIAMSON'S / FOR DRUGS OF QUALITY / SCIENTIFICALLY COMPOUNDED / WE SAVE YOU MONEY The gradations show up to 4 tablespoons or 1 "wine glass"
	This is a label from a drugstore bottle. It says: SPIRIT OF PEPPERMINT / (ESS. OF PEPPERMINT) / Contains ALCOHOL 85% by volume. / DOSE - For an adult, 30 drops to a teaspoonful in / sweetened water. Children in proportion to age. / WILLIAMSON DRUG CO., / PRESCRIPTION DRUGGISTS, / HARRISONBURG, VA.
	This is a cardboard box with a label affixed. It says: WILLIAMSON DRUG CO., / PRESCRIPTION PHARMACISTS, / HARRISONBURG, VA. / 28176 5/31/45 / Dr. A.W. Graves / One cc three times a day. / Miss Effie Shaver
	This is a 9.5" x 9" cardboard fan on a wooden stick. It says: front: WILLIAMSON DRUG CO. / Prescription Pharmacists / Harrisonburg, Va. / A Complete Line of Drugs and Druggists' Sundries. / ... back: (design meant to look like folds?)
	This is a 4.75" metal spoon for administering medicine. It's etched with: bowl: (has marks for 1 and 1/2 teaspoon level) top: WILLIAMSON DRUG CO. side: HARRISONBURG, VA. other side: PHONE 168 opposite bowl: NEXT DOSE (has a dial you can point to the time 1 thru 12)