Mark Greer
More ideas from Mark
Crescent as Caliper by popularmechanics, 1965: Use an adjustable wrench to determine a bolt's diameter and match the jaw's reading with a corresponding drill bit diameter. #Hack #popularmechanics

Crescent as Caliper by popularmechanics, 1965: Use an adjustable wrench to determine a bolt's diameter and match the jaw's reading with a corresponding drill bit diameter. #Hack #popularmechanics

Crescent as Caliper by popularmechanics, 1965: Use an adjustable wrench to determine a bolt's diameter and match the jaw's reading with a corresponding drill bit diameter. #Hack #popularmechanics

Crescent as Caliper by popularmechanics, 1965: Use an adjustable wrench to determine a bolt's diameter and match the jaw's reading with a corresponding drill bit diameter. #Hack #popularmechanics

How your lens will capture your portraits. anything above 50mm is best for portraiture.  #photographytips #photographers

How your lens will capture your portraits. anything above 50mm is best for portraiture. #photographytips #photographers