Horse calculus, cream in colour
Half of horse calculus
Half of horse calculus
Half of horse calculus
Quarter of horse calculus
Two horse calculus
Horse calculus, oval in shape with varuous lumps protruding from it
Horse calculus, brown in colour
Two horse calculus
Horse calculus, cream in colour
Horse calculus, black/ dark brown in colour
Horse calculus, black/ dark brown in colour
Three horse calculus
Two parts of calculus
Two horse calculus
Horse calculus, white in colour
Group of calculus
Half of a horse calculus, white/grey in colour
Horse calculus, brown and white in colour
Quarter of horse calculus
Half of horse calculus
Half of horse calculus
Horse calculus, cream in colour
Horse calculus, brown in colour
Horse calculus, white/grey in colour
Half of horse calculus
Horse calculus, white in colour with a flat side
Half of a horse calculus
Group of calculus
Three horse calculus
Half of horse calculus
Three horse calculus
Horse calculus, white in colour
Horse calculus, black/ dark brown in colour
Neolithic burial illustrating urinary calculi in Sudanese tribe
1000-400 BCE
Two halves of horse calculus
Two halves of horse calculus
Two halves of horse calculus
Two halves of horse calculus
Two halves of horse calculus
Two halves of horse calculus
Three pieces of horse calculus
Spherical concretion possibly a calculus from unknown animal
1830-1920
Spherical, hard concretion possibly a calculus of unknown animal
1830-1920
Calculus of a tonsil, from a case treated by Dr. G. William Hil'
1890-1930