Ontario Hydro-Electric Power Commission Danger Signs

Canadian. 1906-1974. Single-sided porcelain (SSP). Ontario Hydro was established in 1906 as the "Hydro-Electric Power Commission" and was renamed "Ontario Hydro" in 1974. These signs were used prior t

CALIFORNIA ELECTRIC POWER & SAN DIEGO GAS & ELECTRIC. WEAR TO CALIF. SIGN THROUGHOUT. SAN DIEGO HAS MINOR DISCOLORATION. MINOR CHIPS TO TOP. 12" x 8" / 10" x 7"

Brightly colored stamps with figures, and portraits, total 15 stamps.Provenance: Estate of Karl Isenberg, Townson, Maryland, consultant to Chinese hydroelectric power plants in 1960's

Group of 17 stamps depicting various opera figures in colorful costumes.Provenance: Estate of Karl Isenberg, Townson, Maryland, consultant to Chinese hydroelectric power plants in 1960's

Mostly red colored stamps depicting Mao portrait, total 23 stamps. Provenance: Estate of Karl Isenberg, Townson, Maryland, consultant to Chinese hydroelectric power plants in 1960's

SSP SOUTHERN SIERRAS POWER CO DANGER SIGN. CHIPS TO PORCELAIN AND MIOR DISCOLORATION. 23" x 12 1/2"

SOUTHERN SIERRAS DANGER HIGH VOLTAGE SSP SIGNS. MINOR DISCOLORATION, GOOD CONDITION. 24" x 8"

Factory Warning Signs Danger Man in Boiler, Electric Fence, Warning Elevator for Freight, To Stairway. Nice group of 1950s warning signs. Largest Stairway is 16 inches wide.

Canadian. 1950s. Single-sided porcelain (SSP). Bilingual. 9" x 13". From a Private Quebec Collection.

All original with some edge wear. 28"x18" Very Good

SSP GAS & ELECTRIC DANGER HIGH VOLTAGE SIGN. & SSP DANGER HIGH VOLTAGE SIGN. CHIPS AND BULLET HOLE. 14" x 7"

SSP CENTRAL LOUISIANA ELECTRIC COMPANY DANGER PORCELAIN SIGN. GOOD COLOR, GOOD GLOSS. 15" W x 8" H.

SSP. This sign has the unique red and white striping. There is rusting to the outer edges and porcelain loss in six spots of the field. Overall, the color is excellent as well as the script. This is n

Canadian. 1940s. Single-sided convex porcelain (SSP). 7.5" x 9". From the William Robert Wilson Collection.

SSP. There is significant fading to the color throughout the field of this sign. There is also some chipping at the hanging holes. Marked "Ready Made Sign Co., N.Y.". Still an excellent displaying pie

20"X20"

SSP sign, has excellent color and gloss, shows light wear, 36"x60", rated 9

SSP DANGER SIGN, CONNECTICUT LIGHT AND POWER SIGN. GOOD COLOR, GOOD GLOSS, SMALL CHIPS. 20" x 10"

rated 9, 14"x20", SSP sign, nice, The Authentication Company #008518

Danger Electric Current Embossed Metal Railroad Sign Sign measures 12" x 18" and is embossed with, "Danger Electric Current Keep Off Tracks" Sign has areas of paint chipping and 1 3/4" rust spot at th

HIGH VOLTAGE SOUTHERN SIERRAS POWER CO. & INTERMOUNTAIN POWER AGENCY. BOTH SIGNS ARE SLIGHTLY WORN GOOD COLOR AND GLAZE. 24" x 8" / 12" x 9"

TRESPASSING PRIVATE PROPERTY & DANGER KEEP OFF. CHIP TO DANGER SIGN. GOOD CONDITION. 14" x 8 / 13 1/2" x 5 1/2"

PACIFIC GAS AND ELECTRIC CO. DANGER HIGH VOLTAGE. CHIPS TO PORCELAIN, SURFACE SCRATCHES. 14" L

DEPARTMENT OF WATER AND POWER CITY OF LOS ANGELES & SOUTHERN CA. EDISON. MINOR CHIPS TO PORCELAIN. 14" x 10"