From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Comparison of specifications for a proposed accumulator and an existing accumulator.
| Identifier | ExFiles\Box 58\4\ Scan041 | |
| Date | 11th February 1932 guessed | |
| COPY. PROPOSED ACCUMULATOR. Dagenite container, without cover 2/3-BDHL-7-A.{Mr Adams} PER CELL. 3 Positive plates 5⅝" x 4¾" x 5/32" (plate body) 2 Negative Plates 5⅝" x 4¾" x ⅛" (plate body) Inter. 2 Negative Plates 5⅝" x 4¾" x .109" (plate body) End. Plate pitch 47/64" Double separation. Deposit Space 1.1/32" Weight per 6-volt unit, charged - 40 lbs. approx. Capacity - 52 A.H./20 hour rate. Overall dimensions of 6-volt unit - 6¾"W x 9"L x 9.3/16"H.{Arthur M. Hanbury - Head Complaints} Existing Accumulator. Ebonite container, with cover 6-TBS-7-A.{Mr Adams} Per cell. 3 Positive plates 5⅝" x 5¼" x 5/32" (plate body) 4 Negative Plates 5⅝" x 5¼" x ⅛" (plate body) Plate pitch 35/64" Double separation. Deposit space 1¼" Weight per 12-volt unit - 79 lbs. approx. Capacity 50 A.H./20 hour rate. Overall dimensions of 12-volt unit 6¾"W x 14.3/16"L x 11"H.{Arthur M. Hanbury - Head Complaints} | ||